What is CVE-2023-52777?

CVE-2023-52777 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 5.19 onward and patched in 6.1.64, 6.5.13, 6.6.3 and others. CVE-2023-52777 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52777?

CVE-2023-52777 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-2023-52777?

Yes, CVE-2023-52777 has been patched. Fixed versions include 6.1.64, 6.5.13, 6.6.3 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52777 actively exploited?

CVE-2023-52777 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-2023-52777

High

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix gtk offload status event locking The ath11k active pdevs are protected by RCU but the gtk offload status event handling code calling ath11k_mac_get_arvif_by_vdev_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 2025-01-14

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-2023-52777 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 5.19 and later are affected. Fixed in 6.1.64, 6.5.13, 6.6.3, 6.7 and their respective stable series.

Affected from

≥ 5.19

Fixed in

✓ 6.1.64 6.1.x ✓ 6.5.13 6.5.x ✓ 6.6.3 6.6.x ✓ 6.7

References

4 total

Kernel Git
https://git.kernel.org/stable/c/0cf7577b6b3153b4b49deea9719fe43f96469c6d

Patch
Kernel Git
https://git.kernel.org/stable/c/1dea3c0720a146bd7193969f2847ccfed5be2221

Patch
Kernel Git
https://git.kernel.org/stable/c/cf9c7d783a2bf9305df4ef5b93d9063a52e18fca

Patch
Kernel Git
https://git.kernel.org/stable/c/e83246ecd3b193f8d91fce778e8a5ba747fc7d8a

Patch

Details

CVE ID CVE-2023-52777

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-01-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52777?

CVE-2023-52777 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 5.19 onward and has been patched in 6.1.64, 6.5.13, 6.6.3 and others. CVE-2023-52777 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52777?

CVE-2023-52777 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-2023-52777?

Yes. CVE-2023-52777 has been patched. Fixed versions include 6.1.64, 6.5.13, 6.6.3 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52777 actively exploited?

No. CVE-2023-52777 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.