What is CVE-2023-53729?

CVE-2023-53729 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 4.16 onward and 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.

What is the CVSS score for CVE-2023-53729?

CVE-2023-53729 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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?

CVE-2023-53729 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53729

High

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 2026-08-04

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

7 total

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2023-53729

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2025-10-22

Modified 2026-08-04

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53729?

CVE-2023-53729 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . 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.
What is the CVSS score for CVE-2023-53729?

CVE-2023-53729 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
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.