CVE-2026-31443
dmaengine: idxd: Fix crash when the event log is disabled
概要
dmaengine: idxd: Fix crash when the event log is disabled
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
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.
影響パッケージ
Linux
Kernel
[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.21"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.11"}]}]
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- BellSoft Alpaquita BELL-CVE-2026-31443 linux-lts 修正版: 6.18.35-r1
- Debian DEBIAN-CVE-2026-31443 linux 修正版: 6.19.11-1
- Ubuntu UBUNTU-CVE-2026-31443 linux-hwe-edge
参照URL
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org