CVE-2026-31442

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset (FLR) concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's possible for a invalid memory access to happen. Always set the deallocated scratch area to NULL after FLR completes.

Score

CVSS 3.1 7.8 High

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-04-22

Last modified

2026-10-19

Weaknesses

CWE-125, CWE-416

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/504c0e6751001ac46917c73e703f2b1b92cfc026
• https://git.kernel.org/stable/c/867d0c801f21370d561420fa32f2ea1a7dc3a22d
• https://git.kernel.org/stable/c/d6077df7b75d26e4edf98983836c05d00ebabd8d