Use After Free Affecting kernel-tools package, versions <0:5.14.0-70.75.1.el9_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELTOOLS-5955321
  • published11 Jul 2023
  • disclosed5 Jul 2023

Introduced: 5 Jul 2023

CVE-2023-31248  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-tools to version 0:5.14.0-70.75.1.el9_0 or higher.
This issue was patched in RHSA-2023:5604.

NVD Description

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

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nft_chain_lookup_byid() failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace

CVSS Scores

version 3.1