Race Condition Affecting kernel-rt-debug package, versions <0:5.14.0-427.31.1.el9_4


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELRTDEBUG-8476211
  • published5 Dec 2024
  • disclosed30 May 2024

Introduced: 30 May 2024

CVE-2024-36903  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-rt-debug to version 0:5.14.0-427.31.1.el9_4 or higher.
This issue was patched in RHSA-2024:5363.

NVD Description

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

In the Linux kernel, the following vulnerability has been resolved:

ipv6: Fix potential uninit-value access in __ip6_make_skb()

As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.

CVSS Scores

version 3.1