Use After Free Affecting kernel-rt-trace-devel package, versions <0:3.10.0-229.7.2.rt56.141.6.el7_1


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2050024
  • published 26 Jul 2021
  • disclosed 29 Dec 2014

How to fix?

Upgrade Centos:7 kernel-rt-trace-devel to version 0:3.10.0-229.7.2.rt56.141.6.el7_1 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.

Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.

CVSS Scores

version 3.1
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NVD

7.8 high
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Red Hat

6.2 medium