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CVE-2024-36975

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Do not use WARN when encode fails When asn1_encode_sequence() fails, WARN is not the correct solution.

Published Jun 18, 2024EPSS 0.21%

Overview

CVE-2024-36975 is a medium-severity vulnerability. It was published on June 18, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

KEYS: trusted: Do not use WARN when encode fails

When asn1_encode_sequence() fails, WARN is not the correct solution.

1. asn1_encode_sequence() is not an internal function (located

in lib/asn1_encode.c).

2. Location is known, which makes the stack trace useless.

3. Results a crash if panic_on_warn is set.

It is also noteworthy that the use of WARN is undocumented, and it

should be avoided unless there is a carefully considered rationale to

use it.

Replace WARN with pr_err, and print the return value instead, which is

only useful piece of information.

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/050bf3c793a07f96bd1e2fd62e1447f731ed733bRefgit.kernel.org/stable/c/1c652e1e10676f942149052d9329b8bf2703529aRefgit.kernel.org/stable/c/681935009fec3fc22af97ee312d4a24ccf3cf087Refgit.kernel.org/stable/c/96f650995c70237b061b497c66755e32908f8972Refgit.kernel.org/stable/c/d32c6e09f7c4bec3ebc4941323f0aa6366bc1487Refgit.kernel.org/stable/c/ff91cc12faf798f573dab2abc976c1d5b1862feaRefgit.kernel.org/stable/c/050bf3c793a07f96bd1e2fd62e1447f731ed733bRefgit.kernel.org/stable/c/1c652e1e10676f942149052d9329b8bf2703529aRefgit.kernel.org/stable/c/681935009fec3fc22af97ee312d4a24ccf3cf087Refgit.kernel.org/stable/c/96f650995c70237b061b497c66755e32908f8972

How CyberStrike helps

Frequently asked questions

What is CVE-2024-36975?

CVE-2024-36975 is a medium-severity vulnerability. It was published on June 18, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-36975?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-36975?

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-2024-36975?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-36975 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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