Issued:
2024-05-15
Updated:
2024-05-15

RHSA-2024:2846 - Moderate: kernel-rt security and bug fix update

Synopsis

Moderate: kernel-rt security and bug fix update

Type/Severity

Security Advisory Moderate

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 Moderate. 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: untrusted VMM can trigger int80 syscall handling (CVE-2024-25744)

  • kernel: netfilter: nftables: exthdr: fix 4-byte stack OOB write (CVE-2023-52628)

Bug Fix(es):

  • kernel-rt: kernel: untrusted VMM can trigger int80 syscall handling (JIRA:RHEL-30421)

  • kernel-rt: kernel: netfilter: nftables: exthdr: fix 4-byte stack OOB write (JIRA:RHEL-31093)

  • kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-34746)

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-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-kvm-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-core-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-modules-core-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-extra-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-kvm-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debuginfo-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-modules-extra-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debuginfo-common-x86_64-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-modules-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-devel-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-5.14.0-284.66.1.rt14.351.el9_2.src.rpm
  • kernel-rt-devel-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-modules-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-core-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm
  • kernel-rt-debug-debuginfo-5.14.0-284.66.1.rt14.351.el9_2.x86_64.rpm

Fixes

CVEs

References

Additional information