CVE-2023-53473 Affecting kernel-rt-64k-modules-extra package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELRT64KMODULESEXTRA-13227245
  • published3 Oct 2025
  • disclosed1 Oct 2025

Introduced: 1 Oct 2025

NewCVE-2023-53473  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 kernel-rt-64k-modules-extra.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-64k-modules-extra package and not the kernel-rt-64k-modules-extra 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:

ext4: improve error handling from ext4_dirhash()

The ext4_dirhash() will almost never fail, especially when the hash tree feature was first introduced. However, with the addition of support of encrypted, casefolded file names, that function can most certainly fail today.

So make sure the callers of ext4_dirhash() properly check for failures, and reflect the errors back up to their callers.

CVSS Base Scores

version 3.1