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CVE-2024-26705

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: parisc: BTLB: Fix crash when setting up BTLB at CPU bringup When using hotplug and bringing up a 32-bit CPU, ask the firmware a…

Published Apr 3, 2024CWE-862EPSS 0.19%

Overview

CVE-2024-26705 is a medium-severity vulnerability. It was published on April 3, 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:

parisc: BTLB: Fix crash when setting up BTLB at CPU bringup

When using hotplug and bringing up a 32-bit CPU, ask the firmware about the

BTLB information to set up the static (block) TLB entries.

For that write access to the static btlb_info struct is needed, but

since it is marked __ro_after_init the kernel segfaults with missing

write permissions.

Fix the crash by dropping the __ro_after_init annotation.

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/54944f45470af5965fb9c28cf962ec30f38a8f5bRefgit.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486Refgit.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10bRefgit.kernel.org/stable/c/54944f45470af5965fb9c28cf962ec30f38a8f5bRefgit.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486Refgit.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10b

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26705?

CVE-2024-26705 is a medium-severity vulnerability. It was published on April 3, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26705?

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-2024-26705?

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-2024-26705?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26705 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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