Out-of-bounds Write Affecting kernel-rt-modules-extra package, versions <0:4.18.0-305.45.1.rt7.117.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTMODULESEXTRA-4168880
  • published23 Feb 2022
  • disclosed22 Feb 2022

Introduced: 22 Feb 2022

CVE-2022-25636  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-modules-extra to version 0:4.18.0-305.45.1.rt7.117.el8_4 or higher.
This issue was patched in RHSA-2022:1413.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-extra package and not the kernel-rt-modules-extra package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.

CVSS Scores

version 3.1