{"id":"CVE-2022-50020","title":"ext4: avoid resizing to a partial cluster size","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: avoid resizing to a partial cluster size\n\nThis patch avoids an attempt to resize the filesystem to an\nunaligned cluster boundary.  An online resize to a size that…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 7bdfb01fc5f6b3696728aeb527c50386e0ee09a1","Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < a6805b3dcf5cd41f2ae3a03dca43411135b99849","Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 80288883294c5b4ed18bae0d8bd9c4a12f297074","Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 72b850a2a996f72541172e7cf686d54a2b29bcd8","Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 0082e99a9074ff88eff729c70c93454c8588d8e1","Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd","Linux 4.15"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T19:53:04.939897Z"},"published":"2025-06-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:00:13.937Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50020","references":[{"url":"https://git.kernel.org/stable/c/7bdfb01fc5f6b3696728aeb527c50386e0ee09a1"},{"url":"https://git.kernel.org/stable/c/a6805b3dcf5cd41f2ae3a03dca43411135b99849"},{"url":"https://git.kernel.org/stable/c/80288883294c5b4ed18bae0d8bd9c4a12f297074"},{"url":"https://git.kernel.org/stable/c/72b850a2a996f72541172e7cf686d54a2b29bcd8"},{"url":"https://git.kernel.org/stable/c/0082e99a9074ff88eff729c70c93454c8588d8e1"},{"url":"https://git.kernel.org/stable/c/69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd"}],"tags":["cve.org"],"epss":0.00208,"epssPercentile":0.11047,"ingestedAt":"2026-11-05T22:38:31.637Z","slug":"CVE-2022-50020","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\next4: avoid resizing to a partial cluster size\n\nThis patch avoids an attempt to resize the filesystem to an\nunaligned cluster boundary.  An online resize to a size that is not\nintegral to cluster size results in the last iteration attempting to\ngrow the fs by a negative amount, which trips a BUG_ON and leaves the fs\nwith a corrupted in-memory superblock.\n\n## Affected\n\n- `Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 7bdfb01fc5f6b3696728aeb527c50386e0ee09a1`\n- `Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < a6805b3dcf5cd41f2ae3a03dca43411135b99849`\n- `Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 80288883294c5b4ed18bae0d8bd9c4a12f297074`\n- `Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 72b850a2a996f72541172e7cf686d54a2b29bcd8`\n- `Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 0082e99a9074ff88eff729c70c93454c8588d8e1`\n- `Linux >= d77147ff443b255d82c907a632c825b2cc610b10 < 69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd`\n- `Linux 4.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}