What is CVE-2024-43888?

CVE-2024-43888 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 6.8 onward and patched in 6.10.5 and 6.11. CVE-2024-43888 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-43888?

CVE-2024-43888 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-2024-43888?

Yes, CVE-2024-43888 has been patched. Fixed versions include 6.10.5 and 6.11. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-43888 actively exploited?

CVE-2024-43888 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-2024-43888

High

In the Linux kernel, the following vulnerability has been resolved: mm: list_lru: fix UAF for memory cgroup The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or cgroup_mutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found by code inspection. [[email protected]: only grab rcu lock when necessary, per Vlastimil]

Package Linux Kernel

Published 2024-08-26

Last modified 2025-04-16

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-2024-43888 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 6.8 and later are affected. Fixed in 6.10.5, 6.11 and their respective stable series.

Affected from

≥ 6.8

Fixed in

✓ 6.10.5 6.10.x ✓ 6.11

References

The following references provide additional information about CVE-2024-43888 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/4589f77c18dd98b65f45617b6d1e95313cf6fcab
Patch
Kernel patch commit
https://git.kernel.org/stable/c/5161b48712dcd08ec427c450399d4d1483e21dea
Patch

Details

CVE ID CVE-2024-43888

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-08-26

Modified 2025-04-16

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-43888?

CVE-2024-43888 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 6.8 onward and has been patched in 6.10.5 and 6.11. CVE-2024-43888 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-43888?

CVE-2024-43888 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-2024-43888?

Yes — CVE-2024-43888 has been patched. Fixed versions include 6.10.5 and 6.11. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-43888 actively exploited?

No — CVE-2024-43888 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-416 on MITRE CWE →