CVE-2024-42118: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Do not return negative stream id for array [WHY] resource_stream_to_stream_idx returns an array index and it return -1 when not found; however, -1 is not a valid array index number. [HOW] When this happens, call ASSERT(), and return a zero instead. This fixes an OVERRUN and an NEGATIVE_RETURNS issues reported by Coverity.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.15 — 6.9.9

References

Advisories & Patches

https://git.kernel.org/stable/c/3ac31c9a707dd1c7c890b95333182f955e9dcb57 https://git.kernel.org/stable/c/a76fa9c4f0fc0aa6f517da3fa7d7c23e8a32c7d0 https://git.kernel.org/stable/c/3ac31c9a707dd1c7c890b95333182f955e9dcb57 https://git.kernel.org/stable/c/a76fa9c4f0fc0aa6f517da3fa7d7c23e8a32c7d0

Frequently Asked Questions

What is CVE-2024-42118? +

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Do not return negative stream id for array [WHY] resource_stream_to_stream_idx returns an array index and it return -1 when not found; however, -1 is not a valid array index number. [HOW] When this happens, call ASSERT(), and return a zero instead. This fixes an OVERRUN and an NEGATIVE_RETURNS issues reported by Coverity. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-42118? +

CVE-2024-42118 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-42118? +

CVE-2024-42118 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-2024-42118? +

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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