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CVE-2024-46713

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer…

Published Sep 13, 2024CWE-787EPSS 0.30%

Overview

CVE-2024-46713 is a high-severity vulnerability. It was published on September 13, 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. Some level of privileges is required for exploitation.

Technical description

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

perf/aux: Fix AUX buffer serialization

Ole reported that event->mmap_mutex is strictly insufficient to

serialize the AUX buffer, add a per RB mutex to fully serialize it.

Note that in the lock order comment the perf_event::mmap_mutex order

was already wrong, that is, it nesting under mmap_lock is not new with

this patch.

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/2ab9d830262c132ab5db2f571003d80850d56b2aRefgit.kernel.org/stable/c/52d13d224fdf1299c8b642807fa1ea14d693f5ffRefgit.kernel.org/stable/c/7882923f1cb88dc1a17f2bf0c81b1fc80d44db82Refgit.kernel.org/stable/c/9dc7ad2b67772cfb94ceb3b0c9c4023c2463215dRefgit.kernel.org/stable/c/b9b6882e243b653d379abbeaa64a500182aba370Refgit.kernel.org/stable/c/c4b69bee3f4ef76809288fe6827bc14d4ae788efReflists.debian.org/debian-lts-announce/2024/10/msg00003.htmlReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46713?

CVE-2024-46713 is a high-severity vulnerability. It was published on September 13, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-46713?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-46713?

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-2024-46713?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46713 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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