CVE-2023-53695

In the Linux kernel, the following vulnerability has been resolved: udf: Detect system inodes linked into directory hierarchy When UDF filesystem is corrupted, hidden system inodes can be linked into directory hierarchy which is an avenue for further serious corruption of the filesystem and kernel confusion as noticed by syzbot fuzzed images. Refuse to access system inodes linked into directory hierarchy and vice versa.

Package Linux Kernel
Published 2025-10-22
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 3.17.2, 3.18 and later are affected. Fixed in 4.19.278, 5.4.235, 5.10.173, 5.15.99, 6.1.16, 6.2.3, 6.3 and their respective stable series.

Affected from
≥ 3.17.2 ≥ 3.18
Fixed in
✓ 4.19.278 4.19.x ✓ 5.4.235 5.4.x ✓ 5.10.173 5.10.x ✓ 5.15.99 5.15.x ✓ 6.1.16 6.1.x ✓ 6.2.3 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53695 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-53695?

    CVE-2023-53695 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.17.2 onward and has been patched in 4.19.278, 5.4.235, 5.10.173 and others. CVE-2023-53695 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-53695?

    Yes — CVE-2023-53695 has been patched. Fixed versions include 4.19.278, 5.4.235, 5.10.173 and others. If you are running Linux kernel 3.17.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-53695 actively exploited?

    No — CVE-2023-53695 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.