CVE-2022-49786
blk-cgroup: properly pin the parent in blkcg_css_online
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Linux Linux |
≥ 397c9f46ee4d99024c64954b007c1b5762d01cb4; < d118247e404d6338f7b90636a3c6b95a387ed163 (affected, git) ≥ 397c9f46ee4d99024c64954b007c1b5762d01cb4; < d7dbd43f4a828fa1d9a8614d5b0ac40aee6375fe (affected, git) Other versions: unaffected |
CNA: Linux |
| Linux Linux |
5.19 (affected) ≥ 0; < 5.19 (unaffected, semver) ≥ 6.0.10; ≤ 6.0.* (unaffected, semver) ≥ 6.1; ≤ * (unaffected, original_commit_for_fix) Other versions: affected |
CNA: Linux |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
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