SUSE-SU-2026:0731-1
Vulnerability from csaf_suse - Published: 2026-03-01 16:35 - Updated: 2026-03-01 16:35Summary
Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5)
Notes
Title of the patch
Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5)
Description of the patch
This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.124 fixes various security issues
The following security issues were fixed:
- CVE-2022-50700: wifi: ath10k: Delay the unmapping of the buffer (bsc#1255577).
- CVE-2023-54142: gtp: Fix use-after-free in __gtp_encap_destroy() (bsc#1256097).
- CVE-2025-38129: page_pool: fix use-after-free in page_pool_recycle_in_ring (bsc#1258139).
Patchnames
SUSE-2026-731,SUSE-2026-732,SUSE-2026-733,SUSE-SLE-Module-Live-Patching-15-SP5-2026-731
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"notes": [
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"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath10k: Delay the unmapping of the buffer\n\nOn WCN3990, we are seeing a rare scenario where copy engine hardware is\nsending a copy complete interrupt to the host driver while still\nprocessing the buffer that the driver has sent, this is leading into an\nSMMU fault triggering kernel panic. This is happening on copy engine\nchannel 3 (CE3) where the driver normally enqueues WMI commands to the\nfirmware. Upon receiving a copy complete interrupt, host driver will\nimmediately unmap and frees the buffer presuming that hardware has\nprocessed the buffer. In the issue case, upon receiving copy complete\ninterrupt, host driver will unmap and free the buffer but since hardware\nis still accessing the buffer (which in this case got unmapped in\nparallel), SMMU hardware will trigger an SMMU fault resulting in a\nkernel panic.\n\nIn order to avoid this, as a work around, add a delay before unmapping\nthe copy engine source DMA buffer. This is conditionally done for\nWCN3990 and only for the CE3 channel where issue is seen.\n\nBelow is the crash signature:\n\nwifi smmu error: kernel: [ 10.120965] arm-smmu 15000000.iommu: Unhandled\ncontext fault: fsr=0x402, iova=0x7fdfd8ac0,\nfsynr=0x500003,cbfrsynra=0xc1, cb=6 arm-smmu 15000000.iommu: Unhandled\ncontext fault:fsr=0x402, iova=0x7fe06fdc0, fsynr=0x710003,\ncbfrsynra=0xc1, cb=6 qcom-q6v5-mss 4080000.remoteproc: fatal error\nreceived: err_qdi.c:1040:EF:wlan_process:0x1:WLAN RT:0x2091:\ncmnos_thread.c:3998:Asserted in copy_engine.c:AXI_ERROR_DETECTED:2149\nremoteproc remoteproc0: crash detected in\n4080000.remoteproc: type fatal error \u003c3\u003e remoteproc remoteproc0:\nhandling crash #1 in 4080000.remoteproc\n\npc : __arm_lpae_unmap+0x500/0x514\nlr : __arm_lpae_unmap+0x4bc/0x514\nsp : ffffffc011ffb530\nx29: ffffffc011ffb590 x28: 0000000000000000\nx27: 0000000000000000 x26: 0000000000000004\nx25: 0000000000000003 x24: ffffffc011ffb890\nx23: ffffffa762ef9be0 x22: ffffffa77244ef00\nx21: 0000000000000009 x20: 00000007fff7c000\nx19: 0000000000000003 x18: 0000000000000000\nx17: 0000000000000004 x16: ffffffd7a357d9f0\nx15: 0000000000000000 x14: 00fd5d4fa7ffffff\nx13: 000000000000000e x12: 0000000000000000\nx11: 00000000ffffffff x10: 00000000fffffe00\nx9 : 000000000000017c x8 : 000000000000000c\nx7 : 0000000000000000 x6 : ffffffa762ef9000\nx5 : 0000000000000003 x4 : 0000000000000004\nx3 : 0000000000001000 x2 : 00000007fff7c000\nx1 : ffffffc011ffb890 x0 : 0000000000000000 Call trace:\n__arm_lpae_unmap+0x500/0x514\n__arm_lpae_unmap+0x4bc/0x514\n__arm_lpae_unmap+0x4bc/0x514\narm_lpae_unmap_pages+0x78/0xa4\narm_smmu_unmap_pages+0x78/0x104\n__iommu_unmap+0xc8/0x1e4\niommu_unmap_fast+0x38/0x48\n__iommu_dma_unmap+0x84/0x104\niommu_dma_free+0x34/0x50\ndma_free_attrs+0xa4/0xd0\nath10k_htt_rx_free+0xc4/0xf4 [ath10k_core] ath10k_core_stop+0x64/0x7c\n[ath10k_core]\nath10k_halt+0x11c/0x180 [ath10k_core]\nath10k_stop+0x54/0x94 [ath10k_core]\ndrv_stop+0x48/0x1c8 [mac80211]\nieee80211_do_open+0x638/0x77c [mac80211] ieee80211_open+0x48/0x5c\n[mac80211]\n__dev_open+0xb4/0x174\n__dev_change_flags+0xc4/0x1dc\ndev_change_flags+0x3c/0x7c\ndevinet_ioctl+0x2b4/0x580\ninet_ioctl+0xb0/0x1b4\nsock_do_ioctl+0x4c/0x16c\ncompat_ifreq_ioctl+0x1cc/0x35c\ncompat_sock_ioctl+0x110/0x2ac\n__arm64_compat_sys_ioctl+0xf4/0x3e0\nel0_svc_common+0xb4/0x17c\nel0_svc_compat_handler+0x2c/0x58\nel0_svc_compat+0x8/0x2c\n\nTested-on: WCN3990 hw1.0 SNOC WLAN.HL.2.0-01387-QCAHLSWMTPLZ-1",
"title": "CVE description"
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ngtp: Fix use-after-free in __gtp_encap_destroy().\n\nsyzkaller reported use-after-free in __gtp_encap_destroy(). [0]\n\nIt shows the same process freed sk and touched it illegally.\n\nCommit e198987e7dd7 (\"gtp: fix suspicious RCU usage\") added lock_sock()\nand release_sock() in __gtp_encap_destroy() to protect sk-\u003esk_user_data,\nbut release_sock() is called after sock_put() releases the last refcnt.\n\n[0]:\nBUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]\nBUG: KASAN: slab-use-after-free in atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:541 [inline]\nBUG: KASAN: slab-use-after-free in queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]\nBUG: KASAN: slab-use-after-free in do_raw_spin_lock include/linux/spinlock.h:186 [inline]\nBUG: KASAN: slab-use-after-free in __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [inline]\nBUG: KASAN: slab-use-after-free in _raw_spin_lock_bh+0x75/0xe0 kernel/locking/spinlock.c:178\nWrite of size 4 at addr ffff88800dbef398 by task syz-executor.2/2401\n\nCPU: 1 PID: 2401 Comm: syz-executor.2 Not tainted 6.4.0-rc5-01219-gfa0e21fa4443 #2\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x72/0xa0 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:351 [inline]\n print_report+0xcc/0x620 mm/kasan/report.c:462\n kasan_report+0xb2/0xe0 mm/kasan/report.c:572\n check_region_inline mm/kasan/generic.c:181 [inline]\n kasan_check_range+0x39/0x1c0 mm/kasan/generic.c:187\n instrument_atomic_read_write include/linux/instrumented.h:96 [inline]\n atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:541 [inline]\n queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]\n do_raw_spin_lock include/linux/spinlock.h:186 [inline]\n __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [inline]\n _raw_spin_lock_bh+0x75/0xe0 kernel/locking/spinlock.c:178\n spin_lock_bh include/linux/spinlock.h:355 [inline]\n release_sock+0x1f/0x1a0 net/core/sock.c:3526\n gtp_encap_disable_sock drivers/net/gtp.c:651 [inline]\n gtp_encap_disable+0xb9/0x220 drivers/net/gtp.c:664\n gtp_dev_uninit+0x19/0x50 drivers/net/gtp.c:728\n unregister_netdevice_many_notify+0x97e/0x1520 net/core/dev.c:10841\n rtnl_delete_link net/core/rtnetlink.c:3216 [inline]\n rtnl_dellink+0x3c0/0xb30 net/core/rtnetlink.c:3268\n rtnetlink_rcv_msg+0x450/0xb10 net/core/rtnetlink.c:6423\n netlink_rcv_skb+0x15d/0x450 net/netlink/af_netlink.c:2548\n netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]\n netlink_unicast+0x700/0x930 net/netlink/af_netlink.c:1365\n netlink_sendmsg+0x91c/0xe30 net/netlink/af_netlink.c:1913\n sock_sendmsg_nosec net/socket.c:724 [inline]\n sock_sendmsg+0x1b7/0x200 net/socket.c:747\n ____sys_sendmsg+0x75a/0x990 net/socket.c:2493\n ___sys_sendmsg+0x11d/0x1c0 net/socket.c:2547\n __sys_sendmsg+0xfe/0x1d0 net/socket.c:2576\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3f/0x90 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\nRIP: 0033:0x7f1168b1fe5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007f1167edccc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f1168b1fe5d\nRDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000003\nRBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007f1168b80530 R15: 0000000000000000\n \u003c/TASK\u003e\n\nAllocated by task 1483:\n kasan_save_stack+0x22/0x50 mm/kasan/common.c:45\n kasan_set_track+0x25/0x30 mm/kasan/common.c:52\n __kasan_slab_alloc+0x\n---truncated---",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2023-54142",
"url": "https://www.suse.com/security/cve/CVE-2023-54142"
},
{
"category": "external",
"summary": "SUSE Bug 1256095 for CVE-2023-54142",
"url": "https://bugzilla.suse.com/1256095"
},
{
"category": "external",
"summary": "SUSE Bug 1256097 for CVE-2023-54142",
"url": "https://bugzilla.suse.com/1256097"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-03-01T16:35:28Z",
"details": "important"
}
],
"title": "CVE-2023-54142"
},
{
"cve": "CVE-2025-38129",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2025-38129"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: Fix use-after-free in page_pool_recycle_in_ring\n\nsyzbot reported a uaf in page_pool_recycle_in_ring:\n\nBUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\nRead of size 8 at addr ffff8880286045a0 by task syz.0.284/6943\n\nCPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:489\n kasan_report+0x143/0x180 mm/kasan/report.c:602\n lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]\n _raw_spin_unlock_bh+0x1b/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_produce_bh include/linux/ptr_ring.h:164 [inline]\n page_pool_recycle_in_ring net/core/page_pool.c:707 [inline]\n page_pool_put_unrefed_netmem+0x748/0xb00 net/core/page_pool.c:826\n page_pool_put_netmem include/net/page_pool/helpers.h:323 [inline]\n page_pool_put_full_netmem include/net/page_pool/helpers.h:353 [inline]\n napi_pp_put_page+0x149/0x2b0 net/core/skbuff.c:1036\n skb_pp_recycle net/core/skbuff.c:1047 [inline]\n skb_free_head net/core/skbuff.c:1094 [inline]\n skb_release_data+0x6c4/0x8a0 net/core/skbuff.c:1125\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb net/core/skbuff.c:1204 [inline]\n sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242\n kfree_skb_reason include/linux/skbuff.h:1263 [inline]\n __skb_queue_purge_reason include/linux/skbuff.h:3343 [inline]\n\nroot cause is:\n\npage_pool_recycle_in_ring\n ptr_ring_produce\n spin_lock(\u0026r-\u003eproducer_lock);\n WRITE_ONCE(r-\u003equeue[r-\u003eproducer++], ptr)\n //recycle last page to pool\n\t\t\t\tpage_pool_release\n\t\t\t\t page_pool_scrub\n\t\t\t\t page_pool_empty_ring\n\t\t\t\t ptr_ring_consume\n\t\t\t\t page_pool_return_page //release all page\n\t\t\t\t __page_pool_destroy\n\t\t\t\t free_percpu(pool-\u003erecycle_stats);\n\t\t\t\t free(pool) //free\n\n spin_unlock(\u0026r-\u003eproducer_lock); //pool-\u003ering uaf read\n recycle_stat_inc(pool, ring);\n\npage_pool can be free while page pool recycle the last page in ring.\nAdd producer-lock barrier to page_pool_release to prevent the page\npool from being free before all pages have been recycled.\n\nrecycle_stat_inc() is empty when CONFIG_PAGE_POOL_STATS is not\nenabled, which will trigger Wempty-body build warning. Add definition\nfor pool stat macro to fix warning.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2025-38129",
"url": "https://www.suse.com/security/cve/CVE-2025-38129"
},
{
"category": "external",
"summary": "SUSE Bug 1245723 for CVE-2025-38129",
"url": "https://bugzilla.suse.com/1245723"
},
{
"category": "external",
"summary": "SUSE Bug 1258139 for CVE-2025-38129",
"url": "https://bugzilla.suse.com/1258139"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_124-default-5-150500.2.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-03-01T16:35:28Z",
"details": "important"
}
],
"title": "CVE-2025-38129"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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