Use After Free Affecting kernel-rt-core package, versions <0:4.18.0-372.19.1.rt7.176.el8_6


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.19% (58th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELRTCORE-5608779
  • published28 May 2023
  • disclosed3 Aug 2022

Introduced: 3 Aug 2022

CVE-2022-32250  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-rt-core to version 0:4.18.0-372.19.1.rt7.176.el8_6 or higher.
This issue was patched in ALSA-2022:5834.

NVD Description

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

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

References

CVSS Scores

version 3.1