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CVE-2024-26618

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: arm64/sme: Always exit sme_alloc() early with existing storage When sme_alloc() is called with existing storage and we are not…

Published Mar 11, 2024CWE-770EPSS 0.24%

Overview

CVE-2024-26618 is a medium-severity vulnerability. It was published on March 11, 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:

arm64/sme: Always exit sme_alloc() early with existing storage

When sme_alloc() is called with existing storage and we are not flushing we

will always allocate new storage, both leaking the existing storage and

corrupting the state. Fix this by separating the checks for flushing and

for existing storage as we do for SVE.

Callers that reallocate (eg, due to changing the vector length) should

call sme_free() themselves.

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/569156e4fa347237f8fa2a7e935d860109c55ac4Refgit.kernel.org/stable/c/814af6b4e6000e574e74d92197190edf07cc3680Refgit.kernel.org/stable/c/dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9Refgit.kernel.org/stable/c/f6421555dbd7cb3d4d70b69f33f998aaeca1e3b5Refgit.kernel.org/stable/c/569156e4fa347237f8fa2a7e935d860109c55ac4Refgit.kernel.org/stable/c/814af6b4e6000e574e74d92197190edf07cc3680Refgit.kernel.org/stable/c/dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9Reflists.debian.org/debian-lts-announce/2025/08/msg00010.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26618?

CVE-2024-26618 is a medium-severity vulnerability. It was published on March 11, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26618?

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-2024-26618?

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-2024-26618?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26618 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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