CVE-2026-31443

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

published April 22, 2026

CVSS
—
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.8th percentile
Published
2026-04-22T13:53Z
EPSS history
Timeline
  • 22 APR 13:53Z
    dmaengine: idxd: Fix crash when the event log is disabled
    cvelistv5