Use After Free Affecting kpatch-patch-5_14_0-70_70_1 package, versions <0:1-2.el9_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.56% (46th percentile)

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  • Snyk IDSNYK-RHEL9-KPATCHPATCH514070701-6072176
  • published22 Nov 2023
  • disclosed23 Jul 2023

Introduced: 23 Jul 2023

CVE-2023-4147  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kpatch-patch-5_14_0-70_70_1 to version 0:1-2.el9_0 or higher.
This issue was patched in RHSA-2023:7411.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kpatch-patch-5_14_0-70_70_1 package and not the kpatch-patch-5_14_0-70_70_1 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

CVSS Base Scores

version 3.1