CVE-2024-26602 Affecting bpftool package, versions <0:7.3.0-427.13.1.el9_4


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX9-BPFTOOL-8340408
  • published4 Nov 2024
  • disclosed30 Apr 2024

Introduced: 30 Apr 2024

CVE-2024-26602  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 bpftool to version 0:7.3.0-427.13.1.el9_4 or higher.
This issue was patched in ALSA-2024:2394.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

sched/membarrier: reduce the ability to hammer on sys_membarrier

On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to prevent the ability for this to be called at too high of a frequency and saturate the machine.

CVSS Scores

version 3.1