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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49786

blk-cgroup: properly pin the parent in blkcg_css_online

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: properly pin the parent in blkcg_css_online blkcg_css_online is supposed to pin the blkcg of the parent, but 397c9f46ee4d refactored things and along the way, changed it to pin the css instead. This results in extra pins, and we end up leaking blkcgs and cgroups.

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

  • 397c9f46ee4d99024c64954b007c1b5762d01cb4 to < d118247e404d6338f7b90636a3c6b95a387ed163affected
  • 397c9f46ee4d99024c64954b007c1b5762d01cb4 to < d7dbd43f4a828fa1d9a8614d5b0ac40aee6375feaffected

Linux Linux

Default version status: affected

  • 5.19affected
  • 0 to < 5.19unaffected
  • 6.0.10 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References