{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50020","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.393Z","datePublished":"2025-06-18T11:01:24.227Z","dateUpdated":"2026-05-11T19:11:14.053Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:11:14.053Z"},"descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/resize.c"],"versions":[{"version":"d77147ff443b255d82c907a632c825b2cc610b10","lessThan":"7bdfb01fc5f6b3696728aeb527c50386e0ee09a1","status":"affected","versionType":"git"},{"version":"d77147ff443b255d82c907a632c825b2cc610b10","lessThan":"a6805b3dcf5cd41f2ae3a03dca43411135b99849","status":"affected","versionType":"git"},{"version":"d77147ff443b255d82c907a632c825b2cc610b10","lessThan":"80288883294c5b4ed18bae0d8bd9c4a12f297074","status":"affected","versionType":"git"},{"version":"d77147ff443b255d82c907a632c825b2cc610b10","lessThan":"72b850a2a996f72541172e7cf686d54a2b29bcd8","status":"affected","versionType":"git"},{"version":"d77147ff443b255d82c907a632c825b2cc610b10","lessThan":"0082e99a9074ff88eff729c70c93454c8588d8e1","status":"affected","versionType":"git"},{"version":"d77147ff443b255d82c907a632c825b2cc610b10","lessThan":"69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/resize.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"4.19.256","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.211","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.138","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.63","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.19.4","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.0"}]}]}],"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"}],"title":"ext4: avoid resizing to a partial cluster size","x_generator":{"engine":"bippy-1.2.0"}}}}