CVE-2022-49786
blk-cgroup: properly pin the parent in blkcg_css_online
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 1, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
397c9f46ee4d99024c64954b007c1b5762d01cb4 < d118247e404d6338f7b90636a3c6b95a387ed163 397c9f46ee4d99024c64954b007c1b5762d01cb4 < d7dbd43f4a828fa1d9a8614d5b0ac40aee6375fe
Linux / Linux
5.19