What is CVE-2024-50143?

CVE-2024-50143 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 2.6.12 onward and patched in 4.19.323, 5.4.285, 5.10.246 and others. CVE-2024-50143 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-50143?

CVE-2024-50143 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-2024-50143?

Yes, CVE-2024-50143 has been patched. Fixed versions include 4.19.323, 5.4.285, 5.10.246 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-50143 actively exploited?

CVE-2024-50143 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-50143

High

In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After applying the patch reproducer did not trigger any issue[2]. [1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df [2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000

Package Linux Kernel

Published 2024-11-07

Last modified 2025-11-03

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-908

CVE-2024-50143 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 2.6.12 and later are affected. Fixed in 4.19.323, 5.4.285, 5.10.246, 5.15.170, 6.1.115, 6.6.59, 6.11.6, 6.12 and their respective stable series.

Affected from

≥ 2.6.12

Fixed in

✓ 4.19.323 4.19.x ✓ 5.4.285 5.4.x ✓ 5.10.246 5.10.x ✓ 5.15.170 5.15.x ✓ 6.1.115 6.1.x ✓ 6.6.59 6.6.x ✓ 6.11.6 6.11.x ✓ 6.12

References

The following references provide additional information about CVE-2024-50143 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Kernel patch commit
https://git.kernel.org/stable/c/0ce61b1f6b32df822b59c680cbe8e5ba5d335742
Patch
Kernel patch commit
https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2024-50143

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-11-07

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-50143?

CVE-2024-50143 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 2.6.12 onward and has been patched in 4.19.323, 5.4.285, 5.10.246 and others. CVE-2024-50143 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-50143?

CVE-2024-50143 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-2024-50143?

Yes — CVE-2024-50143 has been patched. Fixed versions include 4.19.323, 5.4.285, 5.10.246 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-50143 actively exploited?

No — CVE-2024-50143 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.