ASoC: SOF: Intel: hda-dai: Do not release the link DMA on STOP
概要
ASoC: SOF: Intel: hda-dai: Do not release the link DMA on STOP
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:
ASoC: SOF: Intel: hda-dai: Do not release the link DMA on STOP
The linkDMA should not be released on stop trigger since a stream re-start
might happen without closing of the stream. This leaves a short time for
other streams to 'steal' the linkDMA since it has been released.
This issue is not easy to reproduce under normal conditions as usually
after stop the stream is closed, or the same stream is restarted, but if
another stream got in between the stop and start, like this:
aplay -Dhw:0,3 -c2 -r48000 -fS32_LE /dev/zero -d 120
CTRL+z
aplay -Dhw:0,0 -c2 -r48000 -fS32_LE /dev/zero -d 120
then the link DMA channels will be mixed up, resulting firmware error or
crash.
影響パッケージ
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-2024-57805 linux-lts 修正版: 6.12.41-r0
- Debian DEBIAN-CVE-2024-57805 linux 修正版: 6.12.8-1
参照URL
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org