CVE-2024-26661: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()' In "u32 otg_inst = pipe_ctx->stream_res.tg->inst;" pipe_ctx->stream_res.tg could be NULL, it is relying on the caller to ensure the tg is not NULL.

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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-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.9 — 6.6.17
linux	linux_kernel	6.7 — 6.7.5
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/39f24c08363af1cd945abad84e3c87fd3e3c845a https://git.kernel.org/stable/c/3f3c237a706580326d3b7a1b97697e5031ca4667 https://git.kernel.org/stable/c/66951d98d9bf45ba25acf37fe0747253fafdf298 https://git.kernel.org/stable/c/39f24c08363af1cd945abad84e3c87fd3e3c845a https://git.kernel.org/stable/c/3f3c237a706580326d3b7a1b97697e5031ca4667 https://git.kernel.org/stable/c/66951d98d9bf45ba25acf37fe0747253fafdf298

Frequently Asked Questions

What is CVE-2024-26661? +

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()' In "u32 otg_inst = pipe_ctx->stream_res.tg->inst;" pipe_ctx->stream_res.tg could be NULL, it is relying on the caller to ensure the tg is not NULL. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26661? +

CVE-2024-26661 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-2024-26661? +

CVE-2024-26661 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-2024-26661? +

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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