SB20260816267 - Improper resource shutdown or release in Linux kernel amd amdkfd driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper resource shutdown or release (CVE-ID: CVE-2026-74448)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource shutdown or release in pqm_create_queue() when handling a failure during the first queue creation for a process with MES enabled. A local user can trigger queue creation failures to cause a denial of service.

Only systems with MES enabled are vulnerable, and the issue occurs when kernel memory allocation fails during the first queue creation for a process.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/2ff5bb3645c72b3690e70c513a62a86600c4632f
• https://git.kernel.org/stable/c/38b73293f38658a4685ffcea666462024f858ad9
• https://git.kernel.org/stable/c/5f0f2ddeac738e2ca9d12cb76a1ff2904e85ecc3
• https://git.kernel.org/stable/c/7c35bf94150d872e670a6632aa819d320279effb
• https://git.kernel.org/stable/c/8924e2594a15bdbd07f8696770864366d787ab70