Riskcovery

CVE-2021-46917

dmaengine: idxd: fix wq cleanup of WQCFG registers

State
Published
Severity
Not scored
Published
Feb 27, 2024
Updated
May 23, 2026
Reserved
Feb 25, 2024

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: fix wq cleanup of WQCFG registers

A pre-release silicon erratum workaround where wq reset does not clear WQCFG registers was leaked into upstream code. Use wq reset command instead of blasting the MMIO region. This also address an issue where we clobber registers in future devices.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • da32b28c95a79e399e18c03f8178f41aec9c66e4 to before e5eb9757fe4c2392e069246ae78badc573af1833Affected
  • da32b28c95a79e399e18c03f8178f41aec9c66e4 to before f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9Affected
  • da32b28c95a79e399e18c03f8178f41aec9c66e4 to before ea9aadc06a9f10ad20a90edc0a484f1147d88a7aAffected
  • 2a2df2bd10de44c3804661ed15157817c12d6291Affected
  • 5.7.10 to before 5.8Affected
LinuxLinux
  • 5.8Affected
  • before 5.8Not affected
  • 5.10.32 through 5.10.*Not affected
  • 5.11.16 through 5.11.*Not affected
  • 5.12 and laterNot affected

References

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