CVE-2024-40944 Affecting kernel-default-livepatch-devel package, versions <6.4.0-150600.23.22.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES156-KERNELDEFAULTLIVEPATCHDEVEL-8075534
  • published24 Sept 2024
  • disclosed23 Sept 2024

Introduced: 23 Sep 2024

CVE-2024-40944  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 kernel-default-livepatch-devel to version 6.4.0-150600.23.22.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-livepatch-devel package and not the kernel-default-livepatch-devel package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

x86/kexec: Fix bug with call depth tracking

The call to cc_platform_has() triggers a fault and system crash if call depth tracking is active because the GS segment has been reset by load_segments() and GS_BASE is now 0 but call depth tracking uses per-CPU variables to operate.

Call cc_platform_has() earlier in the function when GS is still valid.

[ bp: Massage. ]

CVSS Scores

version 3.1