Issued:
2024-02-28
Updated:
2024-02-28

RHSA-2024:1019 - Important: kernel-rt security update

Synopsis

Important: kernel-rt security update

Type/Severity

Security Advisory Important

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 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.

Description

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

Security Fix(es):

  • kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)

  • kernel: inactive elements in nft_pipapo_walk (CVE-2023-6817)

  • kernel: netfilter: use-after-free in nft_trans_gc_catchall_sync leads to privilege escalation (CVE-2024-0193)

  • kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096)

  • kernel: Use-after-free in nft_verdict_dump due to a race between set GC and transaction (CVE-2023-4244)

  • kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (CVE-2023-6931)

  • kernel: use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (CVE-2023-51042)

  • kernel: use-after-free during a race condition between a nonblocking atomic commit and a driver unload in drivers/gpu/drm/drm_atomic.c (CVE-2023-51043)

  • kernel: nf_tables: use-after-free vulnerability in the nft_setelem_catchall_deactivate() function (CVE-2024-1085)

  • kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (CVE-2024-1086)

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.

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.

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions9.2x86_64

Updated Packages

  • kernel-rt-debug-modules-core-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-extra-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-core-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-kvm-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-kvm-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-5.14.0-284.55.1.rt14.340.el9_2.src.rpm
  • kernel-rt-debuginfo-common-x86_64-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-modules-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-modules-core-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-modules-extra-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-devel-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-debuginfo-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debuginfo-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-devel-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm
  • kernel-rt-debug-core-5.14.0-284.55.1.rt14.340.el9_2.x86_64.rpm

Fixes

CVEs

References

Additional information