PT-2021-30640 · Linux · Linux Kernel
Published
2021-11-14
·
Updated
2021-11-14
None
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Name of the Vulnerable Software and Affected Versions
Linux Kernel versions 5.13 through 5.15
Description
The issue is related to the blk-cgroup, specifically the
blk cgroup bio start() function, which should use irq-safe operations on blkg->iostat cpu. The actual impact and attack plausibility have not yet been proven.Recommendations
For Linux Kernel versions 5.13 through 5.15, update to version v5.15 or later, which includes the fix by commit 5370b0f49078203acf3c064b634a09707167a864.
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Related Identifiers
Affected Products
Linux Kernel