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CVE-2024-26736

8.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters.

Published Apr 3, 2024CWE-787EPSS 0.73%

Overview

CVE-2024-26736 is a high-severity vulnerability. It was published on April 3, 2024 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

afs: Increase buffer size in afs_update_volume_status()

The max length of volume->vid value is 20 characters.

So increase idbuf[] size up to 24 to avoid overflow.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

[DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]

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/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5Refgit.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35eRefgit.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3dRefgit.kernel.org/stable/c/d34a5e57632bb5ff825196ddd9a48ca403626dfaRefgit.kernel.org/stable/c/d9b5e2b7a8196850383c70d099bfd39e81ab6637Refgit.kernel.org/stable/c/e56662160fc24d28cb75ac095cc6415ae1bda43eRefgit.kernel.org/stable/c/e8530b170e464017203e3b8c6c49af6e916aece1Refgit.kernel.org/stable/c/5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5Refgit.kernel.org/stable/c/6e6065dd25b661420fac19c34282b6c626fcd35eRefgit.kernel.org/stable/c/6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26736?

CVE-2024-26736 is a high-severity vulnerability. It was published on April 3, 2024 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-26736?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-26736?

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-2024-26736?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26736 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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