CVE-2023-53729

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: qmi_encdec: Restrict string length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null terminated strings with MAX_LEN + 1. If a string is actually MAX_LEN + 1 length, this will cause an out of bounds access when the NULL character is appended in decoding.

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

Affected versions

Linux kernel versions 4.16 and later are affected. Fixed in 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.54, 6.5.4, 6.6 and their respective stable series.

Affected from
≥ 4.16
Fixed in
✓ 4.19.295 4.19.x ✓ 5.4.257 5.4.x ✓ 5.10.195 5.10.x ✓ 5.15.132 5.15.x ✓ 6.1.54 6.1.x ✓ 6.5.4 6.5.x ✓ 6.6

References

The following references provide additional information about CVE-2023-53729 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-2023-53729?

    CVE-2023-53729 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.16 onward and has been patched in 4.19.295, 5.4.257, 5.10.195 and others. CVE-2023-53729 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-53729?

    Yes — CVE-2023-53729 has been patched. Fixed versions include 4.19.295, 5.4.257, 5.10.195 and others. If you are running Linux kernel 4.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-53729 actively exploited?

    No — CVE-2023-53729 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.