What is CVE-2023-52524?

CVE-2023-52524 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Improper Locking flaw (CWE-667), affecting Linux kernel versions from 5.4.251 onward and patched in 5.4.258, 5.10.198, 5.15.135 and others. CVE-2023-52524 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52524?

CVE-2023-52524 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-2023-52524?

Yes, CVE-2023-52524 has been patched. Fixed versions include 5.4.258, 5.10.198, 5.15.135 and others. If you are running Linux kernel 5.4.251 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52524 actively exploited?

CVE-2023-52524 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Locking (CWE-667)?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/667.html

CVE-2023-52524

High

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered.

Package Linux Kernel

Published 2024-03-02

Last modified 2025-01-13

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

Weakness type

CWE-667

CVE-2023-52524 is a Improper Locking vulnerability

What is Improper Locking?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.4.251, 5.10.188, 5.15.121, 6.1.39, 6.3.13, 6.4.4, 6.5 and later are affected. Fixed in 5.4.258, 5.10.198, 5.15.135, 6.1.57, 6.5.7, 6.6 and their respective stable series.

Affected from

≥ 5.4.251 ≥ 5.10.188 ≥ 5.15.121 ≥ 6.1.39 ≥ 6.3.13 ≥ 6.4.4 ≥ 6.5

Fixed in

✓ 5.4.258 5.4.x ✓ 5.10.198 5.10.x ✓ 5.15.135 5.15.x ✓ 6.1.57 6.1.x ✓ 6.5.7 6.5.x ✓ 6.6

References

6 total

Kernel Git
https://git.kernel.org/stable/c/191d87a19cf1005ecf41e1ae08d74e17379e8391

Patch
Kernel Git
https://git.kernel.org/stable/c/29c16c2bf5866326d5fbc4a537b3997fcac23391

Patch
Kernel Git
https://git.kernel.org/stable/c/4837a192f6d06d5bb2f3f47d6ce5353ab69bf86b

Patch
Kernel Git
https://git.kernel.org/stable/c/7562780e32b84196731d57dd24563546fcf6d082

Patch
Kernel Git
https://git.kernel.org/stable/c/dba849cc98113b145c6e720122942c00b8012bdb

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2023-52524

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-03-02

Modified 2025-01-13

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52524?

CVE-2023-52524 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Improper Locking flaw (CWE-667) . It affects Linux kernel versions from 5.4.251 onward and has been patched in 5.4.258, 5.10.198, 5.15.135 and others. CVE-2023-52524 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52524?

CVE-2023-52524 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-2023-52524?

Yes. CVE-2023-52524 has been patched. Fixed versions include 5.4.258, 5.10.198, 5.15.135 and others. If you are running Linux kernel 5.4.251 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52524 actively exploited?

No. CVE-2023-52524 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.