CVE-2024-49892: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize get_bytes_per_element's default to 1 Variables, used as denominators and maybe not assigned to other values, should not be 0. bytes_per_element_y & bytes_per_element_c are initialized by get_bytes_per_element() which should never return 0. This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.

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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-369 CWE-369

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.10.227
linux	linux_kernel	5.11 — 5.15.168
linux	linux_kernel	5.16 — 6.1.113
linux	linux_kernel	6.2 — 6.6.55
linux	linux_kernel	6.7 — 6.10.14
linux	linux_kernel	6.11 — 6.11.3

References

Advisories & Patches

https://git.kernel.org/stable/c/1f9f8186e239222f1c8d3dd73bf3bc6ae86c5e76 https://git.kernel.org/stable/c/3334ab72cbba55a632f24579cd47c4a4e5e69cda https://git.kernel.org/stable/c/4067f4fa0423a89fb19a30b57231b384d77d2610 https://git.kernel.org/stable/c/a23d6029e730f8a151b1a34afb169baac1274583 https://git.kernel.org/stable/c/bc00d211da4ffad5314a2043b50bdc8ff8a33724 https://git.kernel.org/stable/c/c7630935d9a4986e8c0ed91658a781b7a77d73f7 https://git.kernel.org/stable/c/f921335123f6620c3dce5c96fbb95f18524a021c

Other References

https://git.kernel.org/stable/c/8f0abb39c16e719129de10596b3ae3363fa178b4 https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html https://cert-portal.siemens.com/productcert/html/ssa-265688.html https://cert-portal.siemens.com/productcert/html/ssa-355557.html

Frequently Asked Questions

What is CVE-2024-49892? +

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize get_bytes_per_element's default to 1 Variables, used as denominators and maybe not assigned to other values, should not be 0. bytes_per_element_y & bytes_per_element_c are initialized by get_bytes_per_element() which should never return 0. This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-49892? +

CVE-2024-49892 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-2024-49892? +

CVE-2024-49892 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-2024-49892? +

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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