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Medium severity5.5NVD Advisory· Published Apr 22, 2026· Updated May 7, 2026

CVE-2026-31443

CVE-2026-31443

Description

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: Fix crash when the event log is disabled

If reporting errors to the event log is not supported by the hardware, and an error that causes Function Level Reset (FLR) is received, the driver will try to restore the event log even if it was not allocated.

Also, only try to free the event log if it was properly allocated.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • Linux/Kernel6 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.14,<6.18.21
    • cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
  • Linux/idxdllm-create

Patches

Vulnerability mechanics

References

3

News mentions

0

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