CVE-2024-26602 Affecting kernel-rt-trace-devel package, versions <0:3.10.0-1160.114.2.rt56.1266.el7


Severity

high

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-6383320
  • published 5 Mar 2024
  • disclosed 24 Feb 2024

How to fix?

Upgrade Centos:7 kernel-rt-trace-devel to version 0:3.10.0-1160.114.2.rt56.1266.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-devel package and not the kernel-rt-trace-devel package as distributed by Centos. See How to fix? for Centos:7 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
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Snyk

4.7 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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NVD

5.5 medium
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SUSE

4.7 medium
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Red Hat

4.7 medium