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CVE-2024-42259

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix Virtual Memory mapping boundaries calculation Calculating the size of the mapped area as the lesser value bet…

Published Aug 14, 2024CWE-131EPSS 0.27%

Overview

CVE-2024-42259 is a high-severity vulnerability. It was published on August 14, 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:

drm/i915/gem: Fix Virtual Memory mapping boundaries calculation

Calculating the size of the mapped area as the lesser value

between the requested size and the actual size does not consider

the partial mapping offset. This can cause page fault access.

Fix the calculation of the starting and ending addresses, the

total size is now deduced from the difference between the end and

start addresses.

Additionally, the calculations have been rewritten in a clearer

and more understandable form.

[Joonas: Add Requires: tag]

Requires: 60a2066c5005 ("drm/i915/gem: Adjust vma offset for framebuffer mmap offset")

(cherry picked from commit 97b6784753da06d9d40232328efc5c5367e53417)

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/3e06073d24807f04b4694108a8474decb7b99e60Refgit.kernel.org/stable/c/4b09513ce93b3dcb590baaaff2ce96f2d098312dRefgit.kernel.org/stable/c/50111a8098fb9ade621eeff82228a997d42732abRefgit.kernel.org/stable/c/8bdd9ef7e9b1b2a73e394712b72b22055e0e26c3Refgit.kernel.org/stable/c/911f8055f175c82775d0fd8cedcd0b75413f4ba7Refgit.kernel.org/stable/c/a256d019eaf044864c7e50312f0a65b323c24f39Refgit.kernel.org/stable/c/e8a68aa842d3f8dd04a46b9d632e5f67fde1da9bRefgit.kernel.org/stable/c/ead9289a51ea82eb5b27029fcf4c34b2dd60cf06Refproject-zero.issues.chromium.org/issues/42451707Reflists.debian.org/debian-lts-announce/2024/10/msg00003.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-42259?

CVE-2024-42259 is a high-severity vulnerability. It was published on August 14, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-42259?

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-2024-42259?

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-2024-42259?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-42259 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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