What is CVE-2023-52769?

CVE-2023-52769 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 6.3 onward and patched in 6.5.13, 6.6.3 and 6.7. CVE-2023-52769 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52769?

CVE-2023-52769 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-2023-52769?

Yes, CVE-2023-52769 has been patched. Fixed versions include 6.5.13, 6.6.3 and 6.7. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52769 actively exploited?

CVE-2023-52769 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2023-52769

High

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix htt mlo-offset event locking The ath12k active pdevs are protected by RCU but the htt mlo-offset event handling code calling ath12k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.

Package Linux Kernel

Published 2024-05-21

Last modified 2024-11-21

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-416

CVE-2023-52769 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.3 and later are affected. Fixed in 6.5.13, 6.6.3, 6.7 and their respective stable series.

Affected from

≥ 6.3

Fixed in

✓ 6.5.13 6.5.x ✓ 6.6.3 6.6.x ✓ 6.7

References

3 total

Kernel Git
https://git.kernel.org/stable/c/6afc57ea315e0f660b1f870a681737bb7b71faef

Patch
Kernel Git
https://git.kernel.org/stable/c/afd3425bd69610f318403084fe491e24a1357fb9

Patch
Kernel Git
https://git.kernel.org/stable/c/d908ca431e20b0e4bfc5d911d1744910ed779bdb

Patch

Details

CVE ID CVE-2023-52769

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52769?

CVE-2023-52769 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 6.3 onward and has been patched in 6.5.13, 6.6.3 and 6.7. CVE-2023-52769 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52769?

CVE-2023-52769 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-2023-52769?

Yes. CVE-2023-52769 has been patched. Fixed versions include 6.5.13, 6.6.3 and 6.7. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52769 actively exploited?

No. CVE-2023-52769 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.