var-202103-0920
Vulnerability from variot

An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsi_transport structure. When an iSCSI transport is registered with the iSCSI subsystem, the transport's handle is available to unprivileged users via the sysfs file system, at /sys/class/iscsi_transport/$TRANSPORT_NAME/handle. When read, the show_transport_handle function (in drivers/scsi/scsi_transport_iscsi.c) is called, which leaks the handle. This handle is actually the pointer to an iscsi_transport struct in the kernel module's global variables. 7.4) - noarch, x86_64

Bug Fix(es):

  • Enable CI and changelog for GitLab workflow (BZ#1930932)

  • ========================================================================= Ubuntu Security Notice USN-4901-1 April 06, 2021

linux-lts-trusty vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-27365)

It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data. (CVE-2020-28374)

Adam Nichols discovered that the iSCSI subsystem in the Linux kernel did not properly restrict access to iSCSI transport handles. A local attacker could use this to cause a denial of service or expose sensitive information (kernel pointer addresses). A local attacker could use this to cause a denial of service (system crash) or expose sensitive information (kernel memory). (CVE-2021-27364)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 ESM: linux-image-3.13.0-185-generic 3.13.0-185.236~12.04.1 linux-image-generic-lts-trusty 3.13.0.185.170

After a standard system update you need to reboot your computer to make all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Bug Fix(es):

  • kernel-rt possible livelock: WARNING: CPU: 28 PID: 3109 at kernel/ptrace.c:242 ptrace_check_attach+0xdd/0x1a0 (BZ#1925308)

  • kernel-rt: update RT source tree to the RHEL-8.3.z3 source tree (BZ#1926369)

  • -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2021:1071-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1071 Issue date: 2021-04-06 CVE Names: CVE-2021-27363 CVE-2021-27364 CVE-2021-27365 ==================================================================== 1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

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.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Security Fix(es):

  • kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)

  • kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)

  • kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)

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.

Bug Fix(es):

  • Customer testing eMMC sees and intermittent boot problem on 7.8+, was not seen on 7.3 (BZ#1918916)

  • tcm loopback driver causes double-start of scsi command when work is delayed (BZ#1925652)

  • [Azure][RHEL-7]Mellanox Patches To Prevent Kernel Hang In MLX4 (BZ#1925691)

  • A patch from upstream c365c292d059 causes us to end up leaving rt_nr_boosted in an inconsistent state, which causes a hard lockup. (BZ#1928082)

  • [RHEL7.9.z] Add fix to update snd_wl1 in bulk receiver fast path (BZ#1929804)

  • Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

  1. Bugs fixed (https://bugzilla.redhat.com/):

1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem 1930079 - CVE-2021-27363 kernel: iscsi: unrestricted access to sessions and handles 1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module

  1. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source: kernel-3.10.0-1160.24.1.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm kernel-doc-3.10.0-1160.24.1.el7.noarch.rpm

x86_64: bpftool-3.10.0-1160.24.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm perf-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64: bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source: kernel-3.10.0-1160.24.1.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm kernel-doc-3.10.0-1160.24.1.el7.noarch.rpm

x86_64: bpftool-3.10.0-1160.24.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm perf-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64: bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source: kernel-3.10.0-1160.24.1.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm kernel-doc-3.10.0-1160.24.1.el7.noarch.rpm

ppc64: bpftool-3.10.0-1160.24.1.el7.ppc64.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-3.10.0-1160.24.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debug-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.24.1.el7.ppc64.rpm kernel-devel-3.10.0-1160.24.1.el7.ppc64.rpm kernel-headers-3.10.0-1160.24.1.el7.ppc64.rpm kernel-tools-3.10.0-1160.24.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-1160.24.1.el7.ppc64.rpm perf-3.10.0-1160.24.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm python-perf-3.10.0-1160.24.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm

ppc64le: bpftool-3.10.0-1160.24.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debug-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-devel-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-headers-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-tools-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1160.24.1.el7.ppc64le.rpm perf-3.10.0-1160.24.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm python-perf-3.10.0-1160.24.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm

s390x: bpftool-3.10.0-1160.24.1.el7.s390x.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm kernel-3.10.0-1160.24.1.el7.s390x.rpm kernel-debug-3.10.0-1160.24.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.s390x.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-1160.24.1.el7.s390x.rpm kernel-devel-3.10.0-1160.24.1.el7.s390x.rpm kernel-headers-3.10.0-1160.24.1.el7.s390x.rpm kernel-kdump-3.10.0-1160.24.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-1160.24.1.el7.s390x.rpm perf-3.10.0-1160.24.1.el7.s390x.rpm perf-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm python-perf-3.10.0-1160.24.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm

x86_64: bpftool-3.10.0-1160.24.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm perf-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64: bpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.24.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-1160.24.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm

ppc64le: bpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1160.24.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm

x86_64: bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source: kernel-3.10.0-1160.24.1.el7.src.rpm

noarch: kernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm kernel-doc-3.10.0-1160.24.1.el7.noarch.rpm

x86_64: bpftool-3.10.0-1160.24.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm perf-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64: bpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.24.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

  1. References:

https://access.redhat.com/security/cve/CVE-2021-27363 https://access.redhat.com/security/cve/CVE-2021-27364 https://access.redhat.com/security/cve/CVE-2021-27365 https://access.redhat.com/security/updates/classification/#important

  1. Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

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-- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . 7.7) - ppc64, ppc64le, x86_64

Bug Fix(es):

  • memcg: mem_cgroup_idr can be updated in an uncoordinated manner which can lead to corruption (BZ#1931899)

  • [infiniband] Backport Request to fix Multicast Sendonly joins (BZ#1937819)

  • [Azure][RHEL-7]Mellanox Patches To Prevent Kernel Hang In MLX4 (BZ#1939791)

  • 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bug Fix(es):

  • race condition when creating child sockets from syncookies (BZ#1915529)

  • On System Z, a hash needs state randomized for entropy extraction (BZ#1915816)

  • scsi: target: core_tmr_abort_task() reporting multiple aborts for the same se_cmd->tag (BZ#1918354)

  • [mlx5] VF interface stats are not reflected in "ip -s link show" / "ifconfig " commands (BZ#1921060)

  • Win10 guest automatic reboot after migration in Win10 and WSL2 on Intel hosts (BZ#1923281)

  • [RHEL 8.3] Repeated messages - Unable to burst-read optrom segment (BZ#1924222)

  • Backport bug fix RDMA/umem: Prevent small pages from being returned by ib_umem_find_best_pgsz (BZ#1924691)

  • [Cisco 8.3] RHEL/Cent 8.2 fNIC driver needs a patch fix that addresses crash (BZ#1925186)

  • RHEL8.3 - The kernel misdetects zCX with z/VM (BZ#1925508)

  • Backport 22e4663e91 ("mm/slub: fix panic in slab_alloc_node()") (BZ#1925511)

  • SCTP "Address already in use" when no active endpoints from RHEL 8.2 onwards (BZ#1927521)

  • lpfc: Fix initial FLOGI failure due to BBSCN not supported (BZ#1927921)

  • [mm] mm, oom: remove oom_lock from oom_reaper (BZ#1929738)

  • Unexpected thread movement with AMD Milan compared to Rome (BZ#1929740)

  • rpmbuild cannot build the userspace RPMs in the kernel package when the kernel itself is not built (BZ#1929910)

  • [Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to add memory on multiple trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930168)

  • Configuring the system with non-RT kernel will hang the system (BZ#1930735)

  • Upstream Patch for Gracefully handle DMAR units with no supported address widthsx86/vt-d (BZ#1932199)

  • gfs2: Deadlock between gfs2_{create_inode,inode_lookup} and delete_work_func (BZ#1937109)

  • Failing on tsx-ctrl when the flag doesn't change anything (BZ#1939013)

Enhancement(s):

  • RFE: Backport all Audit enhancements and fixes up to version 5.10-rc1 (BZ#1907520)

  • RHEL8.4: Update the target driver (BZ#1918363)

  • [Mellanox 8.4 FEAT] mlx5: Hairpin Support in Switch Mode (BZ#1924689)

4

Show details on source website


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This handle is actually the pointer to an iscsi_transport struct in the kernel module\u0027s global variables. 7.4) - noarch, x86_64\n\n3. \n\nBug Fix(es):\n\n* Enable CI and changelog for GitLab workflow (BZ#1930932)\n\n4. =========================================================================\nUbuntu Security Notice USN-4901-1\nApril 06, 2021\n\nlinux-lts-trusty vulnerabilities\n=========================================================================\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 12.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in the Linux kernel. A local attacker could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code. (CVE-2021-27365)\n\nIt was discovered that the LIO SCSI target implementation in the Linux\nkernel performed insufficient identifier checking in certain XCOPY\nrequests. An attacker with access to at least one LUN in a multiple\nbackstore environment could use this to expose sensitive information or\nmodify data. (CVE-2020-28374)\n\nAdam Nichols discovered that the iSCSI subsystem in the Linux kernel did\nnot properly restrict access to iSCSI transport handles. A local attacker\ncould use this to cause a denial of service or expose sensitive information\n(kernel pointer addresses). A local attacker could use this to cause a\ndenial of service (system crash) or expose sensitive information (kernel\nmemory). (CVE-2021-27364)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 12.04 ESM:\n  linux-image-3.13.0-185-generic  3.13.0-185.236~12.04.1\n  linux-image-generic-lts-trusty  3.13.0.185.170\n\nAfter a standard system update you need to reboot your computer to make\nall the necessary changes. \n\nATTENTION: Due to an unavoidable ABI change the kernel updates have\nbeen given a new version number, which requires you to recompile and\nreinstall all third party kernel modules you might have installed. \nUnless you manually uninstalled the standard kernel metapackages\n(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,\nlinux-powerpc), a standard system upgrade will automatically perform\nthis as well. Description:\n\nThe kernel-rt packages provide the Real Time Linux Kernel, which enables\nfine-tuning for systems with extremely high determinism requirements. \n\nBug Fix(es):\n\n* kernel-rt possible livelock: WARNING: CPU: 28 PID: 3109 at\nkernel/ptrace.c:242 ptrace_check_attach+0xdd/0x1a0 (BZ#1925308)\n\n* kernel-rt: update RT source tree to the RHEL-8.3.z3 source tree\n(BZ#1926369)\n\n4. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n====================================================================                   \nRed Hat Security Advisory\n\nSynopsis:          Important: kernel security and bug fix update\nAdvisory ID:       RHSA-2021:1071-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2021:1071\nIssue date:        2021-04-06\nCVE Names:         CVE-2021-27363 CVE-2021-27364 CVE-2021-27365\n====================================================================\n1. Summary:\n\nAn update for kernel is now available for Red Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Client Optional (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64\nRed Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64\nRed Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - x86_64\n\n3. \n\nSecurity Fix(es):\n\n* kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)\n\n* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)\n\n* kernel: iscsi: unrestricted access to sessions and handles\n(CVE-2021-27363)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\nBug Fix(es):\n\n* Customer testing eMMC sees and intermittent boot problem on 7.8+, was not\nseen on 7.3 (BZ#1918916)\n\n* tcm loopback driver causes double-start of scsi command when work is\ndelayed (BZ#1925652)\n\n* [Azure][RHEL-7]Mellanox Patches To Prevent Kernel Hang In MLX4\n(BZ#1925691)\n\n* A patch from upstream c365c292d059 causes us to end up leaving\nrt_nr_boosted in an inconsistent state, which causes a hard lockup. \n(BZ#1928082)\n\n* [RHEL7.9.z] Add fix to update snd_wl1 in bulk receiver fast path\n(BZ#1929804)\n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect. \n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem\n1930079 - CVE-2021-27363 kernel: iscsi: unrestricted access to sessions and handles\n1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module\n\n6. 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7):\n\nSource:\nkernel-3.10.0-1160.24.1.el7.src.rpm\n\nnoarch:\nkernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm\nkernel-doc-3.10.0-1160.24.1.el7.noarch.rpm\n\nppc64:\nbpftool-3.10.0-1160.24.1.el7.ppc64.rpm\nbpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-bootwrapper-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debug-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debug-devel-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debuginfo-common-ppc64-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-devel-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-headers-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-tools-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-tools-libs-3.10.0-1160.24.1.el7.ppc64.rpm\nperf-3.10.0-1160.24.1.el7.ppc64.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\npython-perf-3.10.0-1160.24.1.el7.ppc64.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\n\nppc64le:\nbpftool-3.10.0-1160.24.1.el7.ppc64le.rpm\nbpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-bootwrapper-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debug-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debuginfo-common-ppc64le-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-devel-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-headers-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-tools-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-tools-libs-3.10.0-1160.24.1.el7.ppc64le.rpm\nperf-3.10.0-1160.24.1.el7.ppc64le.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\npython-perf-3.10.0-1160.24.1.el7.ppc64le.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\n\ns390x:\nbpftool-3.10.0-1160.24.1.el7.s390x.rpm\nbpftool-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-debug-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-debug-devel-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-debuginfo-common-s390x-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-devel-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-headers-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-kdump-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-kdump-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm\nkernel-kdump-devel-3.10.0-1160.24.1.el7.s390x.rpm\nperf-3.10.0-1160.24.1.el7.s390x.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm\npython-perf-3.10.0-1160.24.1.el7.s390x.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.s390x.rpm\n\nx86_64:\nbpftool-3.10.0-1160.24.1.el7.x86_64.rpm\nbpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm\nperf-3.10.0-1160.24.1.el7.x86_64.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\npython-perf-3.10.0-1160.24.1.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nppc64:\nbpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-debuginfo-common-ppc64-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\nkernel-tools-libs-devel-3.10.0-1160.24.1.el7.ppc64.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64.rpm\n\nppc64le:\nbpftool-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debug-devel-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-debuginfo-common-ppc64le-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\nkernel-tools-libs-devel-3.10.0-1160.24.1.el7.ppc64le.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.ppc64le.rpm\n\nx86_64:\nbpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-libs-devel-3.10.0-1160.24.1.el7.x86_64.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nkernel-3.10.0-1160.24.1.el7.src.rpm\n\nnoarch:\nkernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm\nkernel-doc-3.10.0-1160.24.1.el7.noarch.rpm\n\nx86_64:\nbpftool-3.10.0-1160.24.1.el7.x86_64.rpm\nbpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm\nperf-3.10.0-1160.24.1.el7.x86_64.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\npython-perf-3.10.0-1160.24.1.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nx86_64:\nbpftool-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debug-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-debuginfo-common-x86_64-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\nkernel-tools-libs-devel-3.10.0-1160.24.1.el7.x86_64.rpm\nperf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\npython-perf-debuginfo-3.10.0-1160.24.1.el7.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-27363\nhttps://access.redhat.com/security/cve/CVE-2021-27364\nhttps://access.redhat.com/security/cve/CVE-2021-27365\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nghAOW9EzFXk=pxZs\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n. 7.7) - ppc64, ppc64le, x86_64\n\n3. \n\nBug Fix(es):\n\n* memcg: mem_cgroup_idr can be updated in an uncoordinated manner which can\nlead to corruption (BZ#1931899)\n\n* [infiniband] Backport Request to fix Multicast Sendonly joins\n(BZ#1937819)\n\n* [Azure][RHEL-7]Mellanox Patches To Prevent Kernel Hang In MLX4\n(BZ#1939791)\n\n4. 8) - aarch64, noarch, ppc64le, s390x, x86_64\n\n3. \n\nBug Fix(es):\n\n* race condition when creating child sockets from syncookies (BZ#1915529)\n\n* On System Z, a hash needs state randomized for entropy extraction\n(BZ#1915816)\n\n* scsi: target: core_tmr_abort_task() reporting multiple aborts for the\nsame se_cmd-\u003etag (BZ#1918354)\n\n* [mlx5] VF interface stats are not reflected in \"ip -s link show\" /\n\"ifconfig \u003cvf\u003e\" commands (BZ#1921060)\n\n* Win10 guest automatic reboot after migration in Win10 and WSL2 on Intel\nhosts (BZ#1923281)\n\n* [RHEL 8.3] Repeated messages - Unable to burst-read optrom segment\n(BZ#1924222)\n\n* Backport bug fix RDMA/umem: Prevent small pages from being returned by\nib_umem_find_best_pgsz (BZ#1924691)\n\n* [Cisco 8.3] RHEL/Cent 8.2 fNIC driver needs a patch fix that addresses\ncrash (BZ#1925186)\n\n* RHEL8.3 - The kernel misdetects zCX with z/VM (BZ#1925508)\n\n* Backport 22e4663e91 (\"mm/slub: fix panic in slab_alloc_node()\")\n(BZ#1925511)\n\n* SCTP \"Address already in use\" when no active endpoints from RHEL 8.2\nonwards (BZ#1927521)\n\n* lpfc: Fix initial FLOGI failure due to BBSCN not supported  (BZ#1927921)\n\n* [mm] mm, oom: remove oom_lock from oom_reaper (BZ#1929738)\n\n* Unexpected thread movement with AMD Milan compared to Rome (BZ#1929740)\n\n* rpmbuild cannot build the userspace RPMs in the kernel package when the\nkernel itself is not built (BZ#1929910)\n\n* [Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to\nadd memory on multiple trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930168)\n\n* Configuring the system with non-RT kernel will hang the system\n(BZ#1930735)\n\n* Upstream Patch for Gracefully handle DMAR units with no supported address\nwidthsx86/vt-d (BZ#1932199)\n\n* gfs2: Deadlock between gfs2_{create_inode,inode_lookup} and\ndelete_work_func (BZ#1937109)\n\n* Failing on tsx-ctrl when the flag doesn\u0027t change anything (BZ#1939013)\n\nEnhancement(s):\n\n* RFE: Backport all Audit enhancements and fixes up to version 5.10-rc1\n(BZ#1907520)\n\n* RHEL8.4: Update the target driver (BZ#1918363)\n\n* [Mellanox 8.4 FEAT] mlx5: Hairpin Support in Switch Mode (BZ#1924689)\n\n4",
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