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RHSA-2024_6993

Vulnerability from csaf_redhat - Published: 2024-09-24 01:17 - Updated: 2024-12-18 03:19
Summary
Red Hat Security Advisory: kernel security update
Severity
Important
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: uio: Fix use-after-free in uio_open (CVE-2023-52439) * kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434) * kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522) * kernel: tunnels: fix out of bounds access when building IPv6 PMTU error (CVE-2024-26665) * kernel: hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove (CVE-2024-26698) * kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() (CVE-2024-26772) * kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826) * kernel: x86/xen: Add some null pointer checking to smp.c (CVE-2024-26908) * kernel: netfilter: nf_conntrack_h323: Add protection for bmp length out of range (CVE-2024-26851) * kernel: af_unix: Fix garbage collector racing against connect() (CVE-2024-26923) * kernel: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory (CVE-2022-48638) * kernel: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() (CVE-2024-27020) * kernel: netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get() (CVE-2024-27019) * kernel: Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout (CVE-2024-27399) * kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898) * kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr (CVE-2024-35969) * kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005) * kernel: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field (CVE-2021-47384) * kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356) * kernel: virtio-net: Add validation for used length (CVE-2021-47352) * kernel: platform/x86: wmi: Fix opening of char device (CVE-2023-52864) * kernel: scsi: ibmvfc: Remove BUG_ON in the case of an empty event pool (CVE-2023-52811) * kernel: bonding: stop the device in bond_setup_by_slave() (CVE-2023-52784) * kernel: isdn: mISDN: Fix sleeping function called from invalid context (CVE-2021-47468) * kernel: proc/vmcore: fix clearing user buffer by properly using clear_user() (CVE-2021-47566) * kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016) * kernel: net: core: reject skb_copy(_expand) for fraglist GSO skbs (CVE-2024-36929) * kernel: net: sched: sch_multiq: fix possible OOB write in multiq_tune() (CVE-2024-36978) * kernel: cpufreq: exit() callback is optional (CVE-2024-38615) * kernel: md: fix resync softlockup when bitmap size is less than array size (CVE-2024-38598) * kernel: cppc_cpufreq: Fix possible null pointer dereference (CVE-2024-38573) * kernel: netfilter: tproxy: bail out if IP has been disabled on the device (CVE-2024-36270) * kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() (CVE-2024-40995) * kernel: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port() (CVE-2024-41041) * kernel: ppp: reject claimed-as-LCP but actually malformed packets (CVE-2024-41044) * kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071) * kernel: drm/amdgpu: avoid using null object of framebuffer (CVE-2024-41093) * kernel: tcp_metrics: validate source addr length (CVE-2024-42154) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

A vulnerability was found in the Linux kernel’s virtio-net driver, where the system does not properly validate the length of data provided by an untrusted device. This lack of validation could lead to data corruption if the length of the data is incorrect or maliciously crafted.

CWE-20 - Improper Input Validation
Affected products
Product Identifier Version Remediation
Unresolved product id: BaseOS-8.8.0.Z.EUS:bpftool-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:bpftool-0:4.18.0-477.74.1.el8_8.s390x
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Unresolved product id: BaseOS-8.8.0.Z.EUS:bpftool-0:4.18.0-477.74.1.el8_8.x86_64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:bpftool-debuginfo-0:4.18.0-477.74.1.el8_8.ppc64le
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-0:4.18.0-477.74.1.el8_8.src
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-abi-stablelists-0:4.18.0-477.74.1.el8_8.noarch
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-cross-headers-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-debug-modules-extra-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-debug-modules-extra-0:4.18.0-477.74.1.el8_8.s390x
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-debuginfo-common-aarch64-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-debuginfo-common-ppc64le-0:4.18.0-477.74.1.el8_8.ppc64le
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-debuginfo-common-s390x-0:4.18.0-477.74.1.el8_8.s390x
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-debuginfo-common-x86_64-0:4.18.0-477.74.1.el8_8.x86_64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-devel-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-devel-0:4.18.0-477.74.1.el8_8.s390x
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-doc-0:4.18.0-477.74.1.el8_8.noarch
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-headers-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-headers-0:4.18.0-477.74.1.el8_8.ppc64le
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-headers-0:4.18.0-477.74.1.el8_8.s390x
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-headers-0:4.18.0-477.74.1.el8_8.x86_64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-modules-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-modules-0:4.18.0-477.74.1.el8_8.ppc64le
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-modules-0:4.18.0-477.74.1.el8_8.s390x
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-modules-extra-0:4.18.0-477.74.1.el8_8.aarch64
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-modules-extra-0:4.18.0-477.74.1.el8_8.ppc64le
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Unresolved product id: BaseOS-8.8.0.Z.EUS:kernel-tools-0:4.18.0-477.74.1.el8_8.aarch64
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Threats
Impact Moderate

A vulnerability was found in the Linux kernel's mISDN driver. This issue arises during the cleanup process, where a timer handler might still be running after the driver has been removed, which can lead to a use-after-free issue, potentially causing a system crash.

CWE-416 - Use After Free
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for (tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7)) from device then Null pointer dereference occurs. (It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers) Also lm75[] does not serve a purpose anymore after switching to devm_i2c_new_dummy_device() in w83791d_detect_subclients(). The patch fixes possible NULL pointer dereference by removing lm75[]. Found by Linux Driver Verification project (linuxtesting.org). [groeck: Dropped unnecessary continuation lines, fixed multi-line alignments]

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: Fix sleeping function called from invalid context The driver can call card->isac.release() function from an atomic context. Fix this by calling this function after releasing the lock. The following log reveals it: [ 44.168226 ] BUG: sleeping function called from invalid context at kernel/workqueue.c:3018 [ 44.168941 ] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5475, name: modprobe [ 44.169574 ] INFO: lockdep is turned off. [ 44.169899 ] irq event stamp: 0 [ 44.170160 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.170627 ] hardirqs last disabled at (0): [<ffffffff814209ed>] copy_process+0x132d/0x3e00 [ 44.171240 ] softirqs last enabled at (0): [<ffffffff81420a1a>] copy_process+0x135a/0x3e00 [ 44.171852 ] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.172318 ] Preemption disabled at: [ 44.172320 ] [<ffffffffa009b0a9>] nj_release+0x69/0x500 [netjet] [ 44.174441 ] Call Trace: [ 44.174630 ] dump_stack_lvl+0xa8/0xd1 [ 44.174912 ] dump_stack+0x15/0x17 [ 44.175166 ] ___might_sleep+0x3a2/0x510 [ 44.175459 ] ? nj_release+0x69/0x500 [netjet] [ 44.175791 ] __might_sleep+0x82/0xe0 [ 44.176063 ] ? start_flush_work+0x20/0x7b0 [ 44.176375 ] start_flush_work+0x33/0x7b0 [ 44.176672 ] ? trace_irq_enable_rcuidle+0x85/0x170 [ 44.177034 ] ? kasan_quarantine_put+0xaa/0x1f0 [ 44.177372 ] ? kasan_quarantine_put+0xaa/0x1f0 [ 44.177711 ] __flush_work+0x11a/0x1a0 [ 44.177991 ] ? flush_work+0x20/0x20 [ 44.178257 ] ? lock_release+0x13c/0x8f0 [ 44.178550 ] ? __kasan_check_write+0x14/0x20 [ 44.178872 ] ? do_raw_spin_lock+0x148/0x360 [ 44.179187 ] ? read_lock_is_recursive+0x20/0x20 [ 44.179530 ] ? __kasan_check_read+0x11/0x20 [ 44.179846 ] ? do_raw_spin_unlock+0x55/0x900 [ 44.180168 ] ? ____kasan_slab_free+0x116/0x140 [ 44.180505 ] ? _raw_spin_unlock_irqrestore+0x41/0x60 [ 44.180878 ] ? skb_queue_purge+0x1a3/0x1c0 [ 44.181189 ] ? kfree+0x13e/0x290 [ 44.181438 ] flush_work+0x17/0x20 [ 44.181695 ] mISDN_freedchannel+0xe8/0x100 [ 44.182006 ] isac_release+0x210/0x260 [mISDNipac] [ 44.182366 ] nj_release+0xf6/0x500 [netjet] [ 44.182685 ] nj_remove+0x48/0x70 [netjet] [ 44.182989 ] pci_device_remove+0xa9/0x250

CWE-99 - Improper Control of Resource Identifiers ('Resource Injection')
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clear_user() To clear a user buffer we cannot simply use memset, we have to use clear_user(). With a virtio-mem device that registers a vmcore_cb and has some logically unplugged memory inside an added Linux memory block, I can easily trigger a BUG by copying the vmcore via "cp": systemd[1]: Starting Kdump Vmcore Save Service... kdump[420]: Kdump is using the default log level(3). kdump[453]: saving to /sysroot/var/crash/127.0.0.1-2021-11-11-14:59:22/ kdump[458]: saving vmcore-dmesg.txt to /sysroot/var/crash/127.0.0.1-2021-11-11-14:59:22/ kdump[465]: saving vmcore-dmesg.txt complete kdump[467]: saving vmcore BUG: unable to handle page fault for address: 00007f2374e01000 #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD 7a523067 P4D 7a523067 PUD 7a528067 PMD 7a525067 PTE 800000007048f867 Oops: 0003 [#1] PREEMPT SMP NOPTI CPU: 0 PID: 468 Comm: cp Not tainted 5.15.0+ #6 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.14.0-27-g64f37cc530f1-prebuilt.qemu.org 04/01/2014 RIP: 0010:read_from_oldmem.part.0.cold+0x1d/0x86 Code: ff ff ff e8 05 ff fe ff e9 b9 e9 7f ff 48 89 de 48 c7 c7 38 3b 60 82 e8 f1 fe fe ff 83 fd 08 72 3c 49 8d 7d 08 4c 89 e9 89 e8 <49> c7 45 00 00 00 00 00 49 c7 44 05 f8 00 00 00 00 48 83 e7 f81 RSP: 0018:ffffc9000073be08 EFLAGS: 00010212 RAX: 0000000000001000 RBX: 00000000002fd000 RCX: 00007f2374e01000 RDX: 0000000000000001 RSI: 00000000ffffdfff RDI: 00007f2374e01008 RBP: 0000000000001000 R08: 0000000000000000 R09: ffffc9000073bc50 R10: ffffc9000073bc48 R11: ffffffff829461a8 R12: 000000000000f000 R13: 00007f2374e01000 R14: 0000000000000000 R15: ffff88807bd421e8 FS: 00007f2374e12140(0000) GS:ffff88807f000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2374e01000 CR3: 000000007a4aa000 CR4: 0000000000350eb0 Call Trace: read_vmcore+0x236/0x2c0 proc_reg_read+0x55/0xa0 vfs_read+0x95/0x190 ksys_read+0x4f/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae Some x86-64 CPUs have a CPU feature called "Supervisor Mode Access Prevention (SMAP)", which is used to detect wrong access from the kernel to user buffers like this: SMAP triggers a permissions violation on wrong access. In the x86-64 variant of clear_user(), SMAP is properly handled via clac()+stac(). To fix, properly use clear_user() when we're dealing with a user buffer.

CWE-501 - Trust Boundary Violation
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

A flaw was found in the Linux kernel in which certain cgroup configurations could cause a kernel panic, resulting in a Denial of Service.

CWE-588 - Attempt to Access Child of a Non-structure Pointer
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the smb client in the Linux kernel. A potential out-of-bounds error was seen in the smb2_parse_contexts() function. Validate offsets and lengths before dereferencing create contexts in smb2_parse_contexts().

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the Linux kernel’s uio subsystem. A use-after-free memory flaw in the uio_open functionality allows a local user to crash or escalate their privileges on the system.

CWE-416 - Use After Free
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the Linux kernel that allows for potential store tearing within the neigh_periodic_work() function, meaning a write operation on a value is not protected properly and could result in inconsistencies if another process or thread reads from that value before the operation is complete.

CWE-20 - Improper Input Validation
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: bonding: stop the device in bond_setup_by_slave() Commit 9eed321cde22 ("net: lapbether: only support ethernet devices") has been able to keep syzbot away from net/lapb, until today. In the following splat [1], the issue is that a lapbether device has been created on a bonding device without members. Then adding a non ARPHRD_ETHER member forced the bonding master to change its type. The fix is to make sure we call dev_close() in bond_setup_by_slave() so that the potential linked lapbether devices (or any other devices having assumptions on the physical device) are removed. A similar bug has been addressed in commit 40baec225765 ("bonding: fix panic on non-ARPHRD_ETHER enslave failure") [1] skbuff: skb_under_panic: text:ffff800089508810 len:44 put:40 head:ffff0000c78e7c00 data:ffff0000c78e7bea tail:0x16 end:0x140 dev:bond0 kernel BUG at net/core/skbuff.c:192 ! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6007 Comm: syz-executor383 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_panic net/core/skbuff.c:188 [inline] pc : skb_under_panic+0x13c/0x140 net/core/skbuff.c:202 lr : skb_panic net/core/skbuff.c:188 [inline] lr : skb_under_panic+0x13c/0x140 net/core/skbuff.c:202 sp : ffff800096a06aa0 x29: ffff800096a06ab0 x28: ffff800096a06ba0 x27: dfff800000000000 x26: ffff0000ce9b9b50 x25: 0000000000000016 x24: ffff0000c78e7bea x23: ffff0000c78e7c00 x22: 000000000000002c x21: 0000000000000140 x20: 0000000000000028 x19: ffff800089508810 x18: ffff800096a06100 x17: 0000000000000000 x16: ffff80008a629a3c x15: 0000000000000001 x14: 1fffe00036837a32 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000201 x10: 0000000000000000 x9 : cb50b496c519aa00 x8 : cb50b496c519aa00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096a063b8 x4 : ffff80008e280f80 x3 : ffff8000805ad11c x2 : 0000000000000001 x1 : 0000000100000201 x0 : 0000000000000086 Call trace: skb_panic net/core/skbuff.c:188 [inline] skb_under_panic+0x13c/0x140 net/core/skbuff.c:202 skb_push+0xf0/0x108 net/core/skbuff.c:2446 ip6gre_header+0xbc/0x738 net/ipv6/ip6_gre.c:1384 dev_hard_header include/linux/netdevice.h:3136 [inline] lapbeth_data_transmit+0x1c4/0x298 drivers/net/wan/lapbether.c:257 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x178/0x204 net/lapb/lapb_out.c:149 lapb_send_control+0x220/0x320 net/lapb/lapb_subr.c:251 __lapb_disconnect_request+0x9c/0x17c net/lapb/lapb_iface.c:326 lapb_device_event+0x288/0x4e0 net/lapb/lapb_iface.c:492 notifier_call_chain+0x1a4/0x510 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1970 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] __dev_close_many+0x1b8/0x3c4 net/core/dev.c:1508 dev_close_many+0x1e0/0x470 net/core/dev.c:1559 dev_close+0x174/0x250 net/core/dev.c:1585 lapbeth_device_event+0x2e4/0x958 drivers/net/wan/lapbether.c:466 notifier_call_chain+0x1a4/0x510 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1970 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] __dev_close_many+0x1b8/0x3c4 net/core/dev.c:1508 dev_close_many+0x1e0/0x470 net/core/dev.c:1559 dev_close+0x174/0x250 net/core/dev.c:1585 bond_enslave+0x2298/0x30cc drivers/net/bonding/bond_main.c:2332 bond_do_ioctl+0x268/0xc64 drivers/net/bonding/bond_main.c:4539 dev_ifsioc+0x754/0x9ac dev_ioctl+0x4d8/0xd34 net/core/dev_ioctl.c:786 sock_do_ioctl+0x1d4/0x2d0 net/socket.c:1217 sock_ioctl+0x4e8/0x834 net/socket.c:1322 vfs_ioctl fs/ioctl.c:51 [inline] __do_ ---truncated---

CWE-99 - Improper Control of Resource Identifiers ('Resource Injection')
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Remove BUG_ON in the case of an empty event pool In practice the driver should never send more commands than are allocated to a queue's event pool. In the unlikely event that this happens, the code asserts a BUG_ON, and in the case that the kernel is not configured to crash on panic returns a junk event pointer from the empty event list causing things to spiral from there. This BUG_ON is a historical artifact of the ibmvfc driver first being upstreamed, and it is well known now that the use of BUG_ON is bad practice except in the most unrecoverable scenario. There is nothing about this scenario that prevents the driver from recovering and carrying on. Remove the BUG_ON in question from ibmvfc_get_event() and return a NULL pointer in the case of an empty event pool. Update all call sites to ibmvfc_get_event() to check for a NULL pointer and perfrom the appropriate failure or recovery action.

CWE-476 - NULL Pointer Dereference
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

In the Linux kernel, the following vulnerability has been resolved: platform/x86: wmi: Fix opening of char device Since commit fa1f68db6ca7 ("drivers: misc: pass miscdevice pointer via file private data"), the miscdevice stores a pointer to itself inside filp->private_data, which means that private_data will not be NULL when wmi_char_open() is called. This might cause memory corruption should wmi_char_open() be unable to find its driver, something which can happen when the associated WMI device is deleted in wmi_free_devices(). Fix the problem by using the miscdevice pointer to retrieve the WMI device data associated with a char device using container_of(). This also avoids wmi_char_open() picking a wrong WMI device bound to a driver with the same name as the original driver.

CWE-402 - Transmission of Private Resources into a New Sphere ('Resource Leak')
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the Linux kernel. This issue occurs due to the improper handling of non-linear skbs (socket buffers) when calculating checksums for ICMPv6 PMTU error messages. This vulnerability can lead to out-of-bounds access, potentially causing memory corruption or crashes.

CWE-125 - Out-of-bounds Read
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A vulnerability was found in the hv_netvsc driver in the Linux kernel, where a race condition is present between the netvsc_probe() and netvsc_remove() functions. This race condition could lead to system hangs during network device removal.

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A vulnerability was found in the ext4_mb_find_by_goal() function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap.

CWE-229 - Improper Handling of Values
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the Linux kernel. A logical error in the Multipath TCP packet manager causes some packets intended for retransmission to be lost, resulting in a potential denial of service.

CWE-20 - Improper Input Validation
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A vulnerability was found in the netfilter subsystem of the Linux kernel, specifically in the `nf_conntrack_h323` module. This issue involves inadequate protection for BMP length values, potentially leading to out-of-range conditions.

CWE-20 - Improper Input Validation
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

[REJECTED CVE] In the Linux kernel, the following vulnerability has been resolved: x86/xen: Add some null pointer checking to smp.c The Linux kernel CVE team has assigned CVE-2024-26908 to this issue.

CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the Linux kernel, where the management of inter-process communication uses AF_UNIX sockets. The issue arises from a race condition where a partially initialized socket with specific permissions carrying SCM_RIGHTS is improperly handled during garbage collection. This situation leads to an incorrect count of active sockets, potentially causing resources to remain unaccounted for and never released.

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A potential data-race flaw was found in __nft_obj_type_get() in the Linux kernel. This issue can lead to a crash.

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A flaw was found in the Linux kernel. A potential data-race in the __nft_expr_type_get() function exists.

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout There is a race condition between l2cap_chan_timeout() and l2cap_chan_del(). When we use l2cap_chan_del() to delete the channel, the chan->conn will be set to null. But the conn could be dereferenced again in the mutex_lock() of l2cap_chan_timeout(). As a result the null pointer dereference bug will happen. The KASAN report triggered by POC is shown below: [ 472.074580] ================================================================== [ 472.075284] BUG: KASAN: null-ptr-deref in mutex_lock+0x68/0xc0 [ 472.075308] Write of size 8 at addr 0000000000000158 by task kworker/0:0/7 [ 472.075308] [ 472.075308] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.9.0-rc5-00356-g78c0094a146b #36 [ 472.075308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu4 [ 472.075308] Workqueue: events l2cap_chan_timeout [ 472.075308] Call Trace: [ 472.075308] <TASK> [ 472.075308] dump_stack_lvl+0x137/0x1a0 [ 472.075308] print_report+0x101/0x250 [ 472.075308] ? __virt_addr_valid+0x77/0x160 [ 472.075308] ? mutex_lock+0x68/0xc0 [ 472.075308] kasan_report+0x139/0x170 [ 472.075308] ? mutex_lock+0x68/0xc0 [ 472.075308] kasan_check_range+0x2c3/0x2e0 [ 472.075308] mutex_lock+0x68/0xc0 [ 472.075308] l2cap_chan_timeout+0x181/0x300 [ 472.075308] process_one_work+0x5d2/0xe00 [ 472.075308] worker_thread+0xe1d/0x1660 [ 472.075308] ? pr_cont_work+0x5e0/0x5e0 [ 472.075308] kthread+0x2b7/0x350 [ 472.075308] ? pr_cont_work+0x5e0/0x5e0 [ 472.075308] ? kthread_blkcg+0xd0/0xd0 [ 472.075308] ret_from_fork+0x4d/0x80 [ 472.075308] ? kthread_blkcg+0xd0/0xd0 [ 472.075308] ret_from_fork_asm+0x11/0x20 [ 472.075308] </TASK> [ 472.075308] ================================================================== [ 472.094860] Disabling lock debugging due to kernel taint [ 472.096136] BUG: kernel NULL pointer dereference, address: 0000000000000158 [ 472.096136] #PF: supervisor write access in kernel mode [ 472.096136] #PF: error_code(0x0002) - not-present page [ 472.096136] PGD 0 P4D 0 [ 472.096136] Oops: 0002 [#1] PREEMPT SMP KASAN NOPTI [ 472.096136] CPU: 0 PID: 7 Comm: kworker/0:0 Tainted: G B 6.9.0-rc5-00356-g78c0094a146b #36 [ 472.096136] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu4 [ 472.096136] Workqueue: events l2cap_chan_timeout [ 472.096136] RIP: 0010:mutex_lock+0x88/0xc0 [ 472.096136] Code: be 08 00 00 00 e8 f8 23 1f fd 4c 89 f7 be 08 00 00 00 e8 eb 23 1f fd 42 80 3c 23 00 74 08 48 88 [ 472.096136] RSP: 0018:ffff88800744fc78 EFLAGS: 00000246 [ 472.096136] RAX: 0000000000000000 RBX: 1ffff11000e89f8f RCX: ffffffff8457c865 [ 472.096136] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88800744fc78 [ 472.096136] RBP: 0000000000000158 R08: ffff88800744fc7f R09: 1ffff11000e89f8f [ 472.096136] R10: dffffc0000000000 R11: ffffed1000e89f90 R12: dffffc0000000000 [ 472.096136] R13: 0000000000000158 R14: ffff88800744fc78 R15: ffff888007405a00 [ 472.096136] FS: 0000000000000000(0000) GS:ffff88806d200000(0000) knlGS:0000000000000000 [ 472.096136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.096136] CR2: 0000000000000158 CR3: 000000000da32000 CR4: 00000000000006f0 [ 472.096136] Call Trace: [ 472.096136] <TASK> [ 472.096136] ? __die_body+0x8d/0xe0 [ 472.096136] ? page_fault_oops+0x6b8/0x9a0 [ 472.096136] ? kernelmode_fixup_or_oops+0x20c/0x2a0 [ 472.096136] ? do_user_addr_fault+0x1027/0x1340 [ 472.096136] ? _printk+0x7a/0xa0 [ 472.096136] ? mutex_lock+0x68/0xc0 [ 472.096136] ? add_taint+0x42/0xd0 [ 472.096136] ? exc_page_fault+0x6a/0x1b0 [ 472.096136] ? asm_exc_page_fault+0x26/0x30 [ 472.096136] ? mutex_lock+0x75/0xc0 [ 472.096136] ? mutex_lock+0x88/0xc0 [ 472.096136] ? mutex_lock+0x75/0xc0 [ 472.096136] l2cap_chan_timeo ---truncated---

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

This CVE addresses a race condition in the Linux kernel's IPv6 subsystem, specifically between the ipv6_get_ifaddr and ipv6_del_addr functions. This race condition can lead to use-after-free scenarios, potentially causing system instability or crashes.

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. [524854.857999] ------------[ cut here ]------------ [524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260 [...] [524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365 [524854.858869] Workqueue: netns cleanup_net [524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260 [524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff <0f> 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41 [524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246 [524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a [524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438 [524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34 [524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005 [524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00 [524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000 [524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0 [524854.859000] Call Trace: [524854.859006] <TASK> [524854.859013] ? __warn+0x9f/0x1a0 [524854.859027] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859044] ? report_bug+0x1b1/0x1e0 [524854.859060] ? handle_bug+0x3c/0x70 [524854.859071] ? exc_invalid_op+0x17/0x40 [524854.859083] ? asm_exc_invalid_op+0x1a/0x20 [524854.859100] ? __nf_unregister_net_hook+0x6a/0x260 [524854.859116] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables] [524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859461] ? packet_notifier+0xb3/0x360 [524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40 [524854.859489] ? dcbnl_netdevice_event+0x35/0x140 [524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859661] notifier_call_chain+0x7d/0x140 [524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

A vulnerability was found in the Linux kernel's `n_gsm` driver, affecting the `tty` subsystem. It occurs when switching between basic and advanced option modes in GSM multiplexing, leading to potential out-of-bounds memory writes. This happens because certain state variables, like `gsm->len` and `gsm->state`, are not properly reset during mode changes. The issue could result in memory corruption.

CWE-787 - Out-of-bounds Write
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: netfilter: tproxy: bail out if IP has been disabled on the device syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [..] RIP: 0010:nf_tproxy_laddr4+0xb7/0x340 net/ipv4/netfilter/nf_tproxy_ipv4.c:62 Call Trace: nft_tproxy_eval_v4 net/netfilter/nft_tproxy.c:56 [inline] nft_tproxy_eval+0xa9a/0x1a00 net/netfilter/nft_tproxy.c:168 __in_dev_get_rcu() can return NULL, so check for this.

CWE-476 - NULL Pointer Dereference
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: net: core: reject skb_copy(_expand) for fraglist GSO skbs SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become invalid. Return NULL if such an skb is passed to skb_copy or skb_copy_expand, in order to prevent a crash on a potential later call to skb_gso_segment.

CWE-822 - Untrusted Pointer Dereference
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

An out-of-bounds write flaw was found in the Linux kernel's multiq qdisc functionality. This vulnerability allows a local user to crash or potentially escalate their privileges on the system.

CWE-787 - Out-of-bounds Write
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A NULL pointer dereference flaw was found in cppc_cpufreq_get_rate() in the Linux kernel. This issue may result in a crash.

Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU#3 stuck for 26s! [mdX_resync:6976] CPU: 7 PID: 3588 Comm: mdX_resync Kdump: loaded Not tainted 6.9.0-rc4-next-20240419 #1 RIP: 0010:_raw_spin_unlock_irq+0x13/0x30 Call Trace: <TASK> md_bitmap_start_sync+0x6b/0xf0 raid10_sync_request+0x25c/0x1b40 [raid10] md_do_sync+0x64b/0x1020 md_thread+0xa7/0x170 kthread+0xcf/0x100 ret_from_fork+0x30/0x50 ret_from_fork_asm+0x1a/0x30 And the detailed process is as follows: md_do_sync j = mddev->resync_min while (j < max_sectors) sectors = raid10_sync_request(mddev, j, &skipped) if (!md_bitmap_start_sync(..., &sync_blocks)) // md_bitmap_start_sync set sync_blocks to 0 return sync_blocks + sectors_skippe; // sectors = 0; j += sectors; // j never change Root cause is that commit 301867b1c168 ("md/raid10: check slab-out-of-bounds in md_bitmap_get_counter") return early from md_bitmap_get_counter(), without setting returned blocks. Fix this problem by always set returned blocks from md_bitmap_get_counter"(), as it used to be. Noted that this patch just fix the softlockup problem in kernel, the case that bitmap size doesn't match array size still need to be fixed.

CWE-667 - Improper Locking
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit() callback is optional The exit() callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freq_table pointer even if the exit() callback isn't present.

CWE-459 - Incomplete Cleanup
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() syzbot found hanging tasks waiting on rtnl_lock [1] A reproducer is available in the syzbot bug. When a request to add multiple actions with the same index is sent, the second request will block forever on the first request. This holds rtnl_lock, and causes tasks to hang. Return -EAGAIN to prevent infinite looping, while keeping documented behavior. [1] INFO: task kworker/1:0:5088 blocked for more than 143 seconds. Not tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:23744 pid:5088 tgid:5088 ppid:2 flags:0x00004000 Workqueue: events_power_efficient reg_check_chans_work Call Trace: <TASK> context_switch kernel/sched/core.c:5409 [inline] __schedule+0xf15/0x5d00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 wiphy_lock include/net/cfg80211.h:5953 [inline] reg_leave_invalid_chans net/wireless/reg.c:2466 [inline] reg_check_chans_work+0x10a/0x10e0 net/wireless/reg.c:2481

CWE-833 - Deadlock
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port(). syzkaller triggered the warning [0] in udp_v4_early_demux(). In udp_v[46]_early_demux() and sk_lookup(), we do not touch the refcount of the looked-up sk and use sock_pfree() as skb->destructor, so we check SOCK_RCU_FREE to ensure that the sk is safe to access during the RCU grace period. Currently, SOCK_RCU_FREE is flagged for a bound socket after being put into the hash table. Moreover, the SOCK_RCU_FREE check is done too early in udp_v[46]_early_demux() and sk_lookup(), so there could be a small race window: CPU1 CPU2 ---- ---- udp_v4_early_demux() udp_lib_get_port() | |- hlist_add_head_rcu() |- sk = __udp4_lib_demux_lookup() | |- DEBUG_NET_WARN_ON_ONCE(sk_is_refcounted(sk)); `- sock_set_flag(sk, SOCK_RCU_FREE) We had the same bug in TCP and fixed it in commit 871019b22d1b ("net: set SOCK_RCU_FREE before inserting socket into hashtable"). Let's apply the same fix for UDP. [0]: WARNING: CPU: 0 PID: 11198 at net/ipv4/udp.c:2599 udp_v4_early_demux+0x481/0xb70 net/ipv4/udp.c:2599 Modules linked in: CPU: 0 PID: 11198 Comm: syz-executor.1 Not tainted 6.9.0-g93bda33046e7 #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:udp_v4_early_demux+0x481/0xb70 net/ipv4/udp.c:2599 Code: c5 7a 15 fe bb 01 00 00 00 44 89 e9 31 ff d3 e3 81 e3 bf ef ff ff 89 de e8 2c 74 15 fe 85 db 0f 85 02 06 00 00 e8 9f 7a 15 fe <0f> 0b e8 98 7a 15 fe 49 8d 7e 60 e8 4f 39 2f fe 49 c7 46 60 20 52 RSP: 0018:ffffc9000ce3fa58 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8318c92c RDX: ffff888036ccde00 RSI: ffffffff8318c2f1 RDI: 0000000000000001 RBP: ffff88805a2dd6e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0001ffffffffffff R12: ffff88805a2dd680 R13: 0000000000000007 R14: ffff88800923f900 R15: ffff88805456004e FS: 00007fc449127640(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc449126e38 CR3: 000000003de4b002 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 PKRU: 55555554 Call Trace: <TASK> ip_rcv_finish_core.constprop.0+0xbdd/0xd20 net/ipv4/ip_input.c:349 ip_rcv_finish+0xda/0x150 net/ipv4/ip_input.c:447 NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] ip_rcv+0x16c/0x180 net/ipv4/ip_input.c:569 __netif_receive_skb_one_core+0xb3/0xe0 net/core/dev.c:5624 __netif_receive_skb+0x21/0xd0 net/core/dev.c:5738 netif_receive_skb_internal net/core/dev.c:5824 [inline] netif_receive_skb+0x271/0x300 net/core/dev.c:5884 tun_rx_batched drivers/net/tun.c:1549 [inline] tun_get_user+0x24db/0x2c50 drivers/net/tun.c:2002 tun_chr_write_iter+0x107/0x1a0 drivers/net/tun.c:2048 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x76f/0x8d0 fs/read_write.c:590 ksys_write+0xbf/0x190 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x41/0x50 fs/read_write.c:652 x64_sys_call+0xe66/0x1990 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x4b/0x53 RIP: 0033:0x7fc44a68bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 e9 cf f5 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 3c d0 f5 ff 48 RSP: 002b:00007fc449126c90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000004bc050 RCX: 00007fc44a68bc1f R ---truncated---

CWE-911 - Improper Update of Reference Count
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Low

In the Linux kernel, the following vulnerability has been resolved: ppp: reject claimed-as-LCP but actually malformed packets Since 'ppp_async_encode()' assumes valid LCP packets (with code from 1 to 7 inclusive), add 'ppp_check_packet()' to ensure that LCP packet has an actual body beyond PPP_LCP header bytes, and reject claimed-as-LCP but actually malformed data otherwise.

CWE-20 - Improper Input Validation
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

An out-of-bounds buffer overflow has been found in the Linux kernel’s mac80211 subsystem when scanning for SSIDs. Address calculation using out-of-bounds array indexing could result in an attacker crafting an exploit, resulting in the complete compromise of a system.

CWE-787 - Out-of-bounds Write
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Important

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid using null object of framebuffer Instead of using state->fb->obj[0] directly, get object from framebuffer by calling drm_gem_fb_get_obj() and return error code when object is null to avoid using null object of framebuffer.

CWE-476 - NULL Pointer Dereference
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate

A vulnerability was found in the Linux kernel's tcp_metrics.c, where insufficient validation of the length of the source address for TCP metrics could lead to incorrect memory read (out of boundary read).

CWE-130 - Improper Handling of Length Parameter Inconsistency
Affected products
Fixed 214 products, the same list as for CVE-2021-47352
Threats
Impact Moderate
References
URL Category
https://access.redhat.com/errata/RHSA-2024:6993 self
https://access.redhat.com/security/updates/classi… external
https://bugzilla.redhat.com/show_bug.cgi?id=2265271 external
https://bugzilla.redhat.com/show_bug.cgi?id=2265285 external
https://bugzilla.redhat.com/show_bug.cgi?id=2267795 external
https://bugzilla.redhat.com/show_bug.cgi?id=2272793 external
https://bugzilla.redhat.com/show_bug.cgi?id=2273117 external
https://bugzilla.redhat.com/show_bug.cgi?id=2273242 external
https://bugzilla.redhat.com/show_bug.cgi?id=2275604 external
https://bugzilla.redhat.com/show_bug.cgi?id=2275744 external
https://bugzilla.redhat.com/show_bug.cgi?id=2275750 external
https://bugzilla.redhat.com/show_bug.cgi?id=2277171 external
https://bugzilla.redhat.com/show_bug.cgi?id=2277829 external
https://bugzilla.redhat.com/show_bug.cgi?id=2278256 external
https://bugzilla.redhat.com/show_bug.cgi?id=2278258 external
https://bugzilla.redhat.com/show_bug.cgi?id=2280462 external
https://bugzilla.redhat.com/show_bug.cgi?id=2281669 external
https://bugzilla.redhat.com/show_bug.cgi?id=2281900 external
https://bugzilla.redhat.com/show_bug.cgi?id=2281949 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282356 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282394 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282401 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282719 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282743 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282772 external
https://bugzilla.redhat.com/show_bug.cgi?id=2282887 external
https://bugzilla.redhat.com/show_bug.cgi?id=2283463 external
https://bugzilla.redhat.com/show_bug.cgi?id=2283894 external
https://bugzilla.redhat.com/show_bug.cgi?id=2284496 external
https://bugzilla.redhat.com/show_bug.cgi?id=2293078 external
https://bugzilla.redhat.com/show_bug.cgi?id=2293348 external
https://bugzilla.redhat.com/show_bug.cgi?id=2293367 external
https://bugzilla.redhat.com/show_bug.cgi?id=2293420 external
https://bugzilla.redhat.com/show_bug.cgi?id=2293653 external
https://bugzilla.redhat.com/show_bug.cgi?id=2297579 external
https://bugzilla.redhat.com/show_bug.cgi?id=2300410 external
https://bugzilla.redhat.com/show_bug.cgi?id=2300414 external
https://bugzilla.redhat.com/show_bug.cgi?id=2300448 external
https://bugzilla.redhat.com/show_bug.cgi?id=2300488 external
https://bugzilla.redhat.com/show_bug.cgi?id=2301522 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2021-47352 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282401 external
https://www.cve.org/CVERecord?id=CVE-2021-47352 external
https://nvd.nist.gov/vuln/detail/CVE-2021-47352 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2021-47356 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282394 external
https://www.cve.org/CVERecord?id=CVE-2021-47356 external
https://nvd.nist.gov/vuln/detail/CVE-2021-47356 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2021-47384 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282356 external
https://www.cve.org/CVERecord?id=CVE-2021-47384 external
https://nvd.nist.gov/vuln/detail/CVE-2021-47384 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2021-47468 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282887 external
https://www.cve.org/CVERecord?id=CVE-2021-47468 external
https://nvd.nist.gov/vuln/detail/CVE-2021-47468 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2021-47566 self
https://bugzilla.redhat.com/show_bug.cgi?id=2283463 external
https://www.cve.org/CVERecord?id=CVE-2021-47566 external
https://nvd.nist.gov/vuln/detail/CVE-2021-47566 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2022-48638 self
https://bugzilla.redhat.com/show_bug.cgi?id=2277829 external
https://www.cve.org/CVERecord?id=CVE-2022-48638 external
https://nvd.nist.gov/vuln/detail/CVE-2022-48638 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2023-52434 self
https://bugzilla.redhat.com/show_bug.cgi?id=2265285 external
https://www.cve.org/CVERecord?id=CVE-2023-52434 external
https://nvd.nist.gov/vuln/detail/CVE-2023-52434 external
https://git.kernel.org/pub/scm/linux/kernel/git/s… external
https://git.kernel.org/pub/scm/linux/kernel/git/s… external
https://lore.kernel.org/linux-cve-announce/202402… external
https://access.redhat.com/security/cve/CVE-2023-52439 self
https://bugzilla.redhat.com/show_bug.cgi?id=2265271 external
https://www.cve.org/CVERecord?id=CVE-2023-52439 external
https://nvd.nist.gov/vuln/detail/CVE-2023-52439 external
https://lore.kernel.org/linux-cve-announce/202402… external
https://access.redhat.com/security/cve/CVE-2023-52522 self
https://bugzilla.redhat.com/show_bug.cgi?id=2267795 external
https://www.cve.org/CVERecord?id=CVE-2023-52522 external
https://nvd.nist.gov/vuln/detail/CVE-2023-52522 external
https://lore.kernel.org/linux-cve-announce/202403… external
https://access.redhat.com/security/cve/CVE-2023-52784 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282772 external
https://www.cve.org/CVERecord?id=CVE-2023-52784 external
https://nvd.nist.gov/vuln/detail/CVE-2023-52784 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2023-52811 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282743 external
https://www.cve.org/CVERecord?id=CVE-2023-52811 external
https://nvd.nist.gov/vuln/detail/CVE-2023-52811 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2023-52864 self
https://bugzilla.redhat.com/show_bug.cgi?id=2282719 external
https://www.cve.org/CVERecord?id=CVE-2023-52864 external
https://nvd.nist.gov/vuln/detail/CVE-2023-52864 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-26665 self
https://bugzilla.redhat.com/show_bug.cgi?id=2272793 external
https://www.cve.org/CVERecord?id=CVE-2024-26665 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26665 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-26698 self
https://bugzilla.redhat.com/show_bug.cgi?id=2273117 external
https://www.cve.org/CVERecord?id=CVE-2024-26698 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26698 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-26772 self
https://bugzilla.redhat.com/show_bug.cgi?id=2273242 external
https://www.cve.org/CVERecord?id=CVE-2024-26772 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26772 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-26826 self
https://bugzilla.redhat.com/show_bug.cgi?id=2275604 external
https://www.cve.org/CVERecord?id=CVE-2024-26826 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26826 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-26851 self
https://bugzilla.redhat.com/show_bug.cgi?id=2275750 external
https://www.cve.org/CVERecord?id=CVE-2024-26851 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26851 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-26908 self
https://bugzilla.redhat.com/show_bug.cgi?id=2275744 external
https://www.cve.org/CVERecord?id=CVE-2024-26908 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26908 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-26923 self
https://bugzilla.redhat.com/show_bug.cgi?id=2277171 external
https://www.cve.org/CVERecord?id=CVE-2024-26923 external
https://nvd.nist.gov/vuln/detail/CVE-2024-26923 external
https://lore.kernel.org/linux-cve-announce/202404… external
https://access.redhat.com/security/cve/CVE-2024-27019 self
https://bugzilla.redhat.com/show_bug.cgi?id=2278258 external
https://www.cve.org/CVERecord?id=CVE-2024-27019 external
https://nvd.nist.gov/vuln/detail/CVE-2024-27019 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-27020 self
https://bugzilla.redhat.com/show_bug.cgi?id=2278256 external
https://www.cve.org/CVERecord?id=CVE-2024-27020 external
https://nvd.nist.gov/vuln/detail/CVE-2024-27020 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-27399 self
https://bugzilla.redhat.com/show_bug.cgi?id=2280462 external
https://www.cve.org/CVERecord?id=CVE-2024-27399 external
https://nvd.nist.gov/vuln/detail/CVE-2024-27399 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-35898 self
https://bugzilla.redhat.com/show_bug.cgi?id=2281669 external
https://www.cve.org/CVERecord?id=CVE-2024-35898 external
https://nvd.nist.gov/vuln/detail/CVE-2024-35898 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-35969 self
https://bugzilla.redhat.com/show_bug.cgi?id=2281900 external
https://www.cve.org/CVERecord?id=CVE-2024-35969 external
https://nvd.nist.gov/vuln/detail/CVE-2024-35969 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-36005 self
https://bugzilla.redhat.com/show_bug.cgi?id=2281949 external
https://www.cve.org/CVERecord?id=CVE-2024-36005 external
https://nvd.nist.gov/vuln/detail/CVE-2024-36005 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-36016 self
https://bugzilla.redhat.com/show_bug.cgi?id=2283894 external
https://www.cve.org/CVERecord?id=CVE-2024-36016 external
https://nvd.nist.gov/vuln/detail/CVE-2024-36016 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-36270 self
https://bugzilla.redhat.com/show_bug.cgi?id=2293653 external
https://www.cve.org/CVERecord?id=CVE-2024-36270 external
https://nvd.nist.gov/vuln/detail/CVE-2024-36270 external
https://lore.kernel.org/linux-cve-announce/202406… external
https://access.redhat.com/security/cve/CVE-2024-36929 self
https://bugzilla.redhat.com/show_bug.cgi?id=2284496 external
https://www.cve.org/CVERecord?id=CVE-2024-36929 external
https://nvd.nist.gov/vuln/detail/CVE-2024-36929 external
https://lore.kernel.org/linux-cve-announce/202405… external
https://access.redhat.com/security/cve/CVE-2024-36978 self
https://bugzilla.redhat.com/show_bug.cgi?id=2293078 external
https://www.cve.org/CVERecord?id=CVE-2024-36978 external
https://nvd.nist.gov/vuln/detail/CVE-2024-36978 external
https://lore.kernel.org/linux-cve-announce/202406… external
https://access.redhat.com/security/cve/CVE-2024-38573 self
https://bugzilla.redhat.com/show_bug.cgi?id=2293420 external
https://www.cve.org/CVERecord?id=CVE-2024-38573 external
https://nvd.nist.gov/vuln/detail/CVE-2024-38573 external
https://lore.kernel.org/linux-cve-announce/202406… external
https://access.redhat.com/security/cve/CVE-2024-38598 self
https://bugzilla.redhat.com/show_bug.cgi?id=2293367 external
https://www.cve.org/CVERecord?id=CVE-2024-38598 external
https://nvd.nist.gov/vuln/detail/CVE-2024-38598 external
https://lore.kernel.org/linux-cve-announce/202406… external
https://access.redhat.com/security/cve/CVE-2024-38615 self
https://bugzilla.redhat.com/show_bug.cgi?id=2293348 external
https://www.cve.org/CVERecord?id=CVE-2024-38615 external
https://nvd.nist.gov/vuln/detail/CVE-2024-38615 external
https://lore.kernel.org/linux-cve-announce/202406… external
https://access.redhat.com/security/cve/CVE-2024-40995 self
https://bugzilla.redhat.com/show_bug.cgi?id=2297579 external
https://www.cve.org/CVERecord?id=CVE-2024-40995 external
https://nvd.nist.gov/vuln/detail/CVE-2024-40995 external
https://lore.kernel.org/linux-cve-announce/202407… external
https://access.redhat.com/security/cve/CVE-2024-41041 self
https://bugzilla.redhat.com/show_bug.cgi?id=2300410 external
https://www.cve.org/CVERecord?id=CVE-2024-41041 external
https://nvd.nist.gov/vuln/detail/CVE-2024-41041 external
https://lore.kernel.org/linux-cve-announce/202407… external
https://access.redhat.com/security/cve/CVE-2024-41044 self
https://bugzilla.redhat.com/show_bug.cgi?id=2300414 external
https://www.cve.org/CVERecord?id=CVE-2024-41044 external
https://nvd.nist.gov/vuln/detail/CVE-2024-41044 external
https://lore.kernel.org/linux-cve-announce/202407… external
https://access.redhat.com/security/cve/CVE-2024-41071 self
https://bugzilla.redhat.com/show_bug.cgi?id=2300448 external
https://www.cve.org/CVERecord?id=CVE-2024-41071 external
https://nvd.nist.gov/vuln/detail/CVE-2024-41071 external
https://lore.kernel.org/linux-cve-announce/202407… external
https://access.redhat.com/security/cve/CVE-2024-41093 self
https://bugzilla.redhat.com/show_bug.cgi?id=2300488 external
https://www.cve.org/CVERecord?id=CVE-2024-41093 external
https://nvd.nist.gov/vuln/detail/CVE-2024-41093 external
https://lore.kernel.org/linux-cve-announce/202407… external
https://access.redhat.com/security/cve/CVE-2024-42154 self
https://bugzilla.redhat.com/show_bug.cgi?id=2301522 external
https://www.cve.org/CVERecord?id=CVE-2024-42154 external
https://nvd.nist.gov/vuln/detail/CVE-2024-42154 external
https://lore.kernel.org/linux-cve-announce/202407… external

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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