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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-46917

dmaengine: idxd: fix wq cleanup of WQCFG registers

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • da32b28c95a79e399e18c03f8178f41aec9c66e4 to < e5eb9757fe4c2392e069246ae78badc573af1833affected
  • da32b28c95a79e399e18c03f8178f41aec9c66e4 to < f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9affected
  • da32b28c95a79e399e18c03f8178f41aec9c66e4 to < ea9aadc06a9f10ad20a90edc0a484f1147d88a7aaffected
  • 2a2df2bd10de44c3804661ed15157817c12d6291affected
  • 5.7.10 to < 5.8affected

Linux Linux

Default version status: affected

  • 5.8affected
  • 0 to < 5.8unaffected
  • 5.10.32 to ≤ 5.10.*unaffected
  • 5.11.16 to ≤ 5.11.*unaffected
  • 5.12 to ≤ *unaffected

References