Issued:
2024-08-21
Updated:
2024-08-21

RHSA-2024:5673 - 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: efivarfs: force RO when remounting if SetVariable is not supported (CVE-2023-52463)

  • kernel: igc: avoid returning frame twice in XDP_REDIRECT (CVE-2024-26853)

  • kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

  • kernel: bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself (CVE-2023-52735)

  • kernel: net: fix out-of-bounds access in ops_init (CVE-2024-36883)

  • kernel: net/mlx5e: Fix netif state handling (CVE-2024-38608)

  • kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() (CVE-2024-40995)

  • kernel: virtio-net: tap: mlx5_core short frame denial of service (CVE-2024-41090)

  • kernel: virtio-net: tun: mlx5_core short frame denial of service (CVE-2024-41091)

  • kernel: NFSv4: Fix memory leak in nfs4_set_security_label (CVE-2024-41076)

  • kernel: ice: Don't process extts if PTP is disabled (CVE-2024-42107)

Bug Fix(es):

  • kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-54222)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer 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-debuginfo-common-x86_64-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-5.14.0-284.80.1.rt14.365.el9_2.src.rpm
  • kernel-rt-debug-debuginfo-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-kvm-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-core-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-kvm-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-devel-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-modules-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-devel-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-core-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-modules-core-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-core-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-extra-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-debuginfo-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm
  • kernel-rt-modules-extra-5.14.0-284.80.1.rt14.365.el9_2.x86_64.rpm

Fixes

CVEs

References

Additional information