CVE-2026-31443
dmaengine: idxd: Fix crash when the event log is disabled
Summary
dmaengine: idxd: Fix crash when the event log is disabled
Original description
The description as published by the source.
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.
Affected packages
Linux
Kernel
[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.21"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.11"}]}]
Fix status by distribution
Fixed packages published by each distribution for this CVE
- BellSoft Alpaquita BELL-CVE-2026-31443 linux-lts Fixed in: 6.18.35-r1
- Debian DEBIAN-CVE-2026-31443 linux Fixed in: 6.19.11-1
- Ubuntu UBUNTU-CVE-2026-31443 linux-hwe-edge
References
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org