CVE-2024-42259: linux kernel — Fix

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)

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-131 CWE-131

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.9 — 4.19.320
linux	linux_kernel	4.20 — 5.4.282
linux	linux_kernel	5.5 — 5.10.224
linux	linux_kernel	5.11 — 5.15.165
linux	linux_kernel	5.16 — 6.1.106
linux	linux_kernel	6.2 — 6.6.46
linux	linux_kernel	6.7 — 6.10.5

References

Advisories & Patches

https://git.kernel.org/stable/c/3e06073d24807f04b4694108a8474decb7b99e60 https://git.kernel.org/stable/c/4b09513ce93b3dcb590baaaff2ce96f2d098312d https://git.kernel.org/stable/c/50111a8098fb9ade621eeff82228a997d42732ab https://git.kernel.org/stable/c/8bdd9ef7e9b1b2a73e394712b72b22055e0e26c3 https://git.kernel.org/stable/c/911f8055f175c82775d0fd8cedcd0b75413f4ba7 https://git.kernel.org/stable/c/a256d019eaf044864c7e50312f0a65b323c24f39 https://git.kernel.org/stable/c/e8a68aa842d3f8dd04a46b9d632e5f67fde1da9b https://git.kernel.org/stable/c/ead9289a51ea82eb5b27029fcf4c34b2dd60cf06

Other References

https://project-zero.issues.chromium.org/issues/42451707 https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://cert-portal.siemens.com/productcert/html/ssa-265688.html

Frequently Asked Questions

What is CVE-2024-42259? +

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) It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-42259? +

CVE-2024-42259 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-42259? +

CVE-2024-42259 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42259? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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