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CVE-2024-50143

7.8 · 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 u…

Published Nov 7, 2024CWE-908EPSS 0.28%

Overview

CVE-2024-50143 is a high-severity vulnerability. It was published on November 7, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0ce61b1f6b32df822b59c680cbe8e5ba5d335742Refgit.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8Refgit.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1Refgit.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2Refgit.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61Refgit.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32bRefgit.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7Refgit.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58dReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50143?

CVE-2024-50143 is a high-severity vulnerability. It was published on November 7, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-50143?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-50143?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-50143?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50143 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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