{"id":"CVE-2022-50313","state":"PUBLISHED","title":"erofs: fix order >= MAX_ORDER warning due to crafted negative i_size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix order >= MAX_ORDER warning due to crafted negative i_size\n\nAs syzbot reported [1], the root cause is that i_size field is a\nsigned type, and negative i_size is also less than EROFS_BLKSIZ.\nAs a consequence, it's handled as fast symlink unexpectedly.\n\nLet's fall back to the generic path to deal with such unusual i_size.\n\n[1] https://lore.kernel.org/r/000000000000ac8efa05e7feaa1f@google.com","publishedAt":"2025-09-15T14:46:08.357Z","updatedAt":"2026-05-11T19:16:53.874Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"17a0cdbd7b0cf0fc0d7ca4187a67f8f1c18c291f","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"0ab621fcdff1a58ff4de51a8590fa92a0ecd34be","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"acc2f40b980c61a9178b72cdedd150b829064997","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"b6c8330f5b0f22149957a2e4977fd0f01a9db7cd","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"6235fb899b25fd287d5e42635ff82196395708cc","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"1dd73601a1cba37a0ed5f89a8662c90191df5873","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.4.289","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.233","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.82","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/inode.c"]}],"references":["https://git.kernel.org/stable/c/17a0cdbd7b0cf0fc0d7ca4187a67f8f1c18c291f","https://git.kernel.org/stable/c/0ab621fcdff1a58ff4de51a8590fa92a0ecd34be","https://git.kernel.org/stable/c/acc2f40b980c61a9178b72cdedd150b829064997","https://git.kernel.org/stable/c/b6c8330f5b0f22149957a2e4977fd0f01a9db7cd","https://git.kernel.org/stable/c/6235fb899b25fd287d5e42635ff82196395708cc","https://git.kernel.org/stable/c/1dd73601a1cba37a0ed5f89a8662c90191df5873"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50313.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50313","state":"PUBLISHED","datePublished":"2025-09-15T14:46:08.357Z","dateUpdated":"2026-05-11T19:16:53.874Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:18:36.813Z"},"containers":{"cna":{"title":"erofs: fix order >= MAX_ORDER warning due to crafted negative i_size","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix order >= MAX_ORDER warning due to crafted negative i_size\n\nAs syzbot reported [1], the root cause is that i_size field is a\nsigned type, and negative i_size is also less than EROFS_BLKSIZ.\nAs a consequence, it's handled as fast symlink unexpectedly.\n\nLet's fall back to the generic path to deal with such unusual i_size.\n\n[1] https://lore.kernel.org/r/000000000000ac8efa05e7feaa1f@google.com"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"17a0cdbd7b0cf0fc0d7ca4187a67f8f1c18c291f","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"0ab621fcdff1a58ff4de51a8590fa92a0ecd34be","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"acc2f40b980c61a9178b72cdedd150b829064997","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"b6c8330f5b0f22149957a2e4977fd0f01a9db7cd","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"6235fb899b25fd287d5e42635ff82196395708cc","versionType":"git"},{"version":"431339ba90423a038914c6032bfd71f0ba7ef2f2","status":"affected","lessThan":"1dd73601a1cba37a0ed5f89a8662c90191df5873","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.4.289","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.233","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.82","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/inode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/17a0cdbd7b0cf0fc0d7ca4187a67f8f1c18c291f"},{"url":"https://git.kernel.org/stable/c/0ab621fcdff1a58ff4de51a8590fa92a0ecd34be"},{"url":"https://git.kernel.org/stable/c/acc2f40b980c61a9178b72cdedd150b829064997"},{"url":"https://git.kernel.org/stable/c/b6c8330f5b0f22149957a2e4977fd0f01a9db7cd"},{"url":"https://git.kernel.org/stable/c/6235fb899b25fd287d5e42635ff82196395708cc"},{"url":"https://git.kernel.org/stable/c/1dd73601a1cba37a0ed5f89a8662c90191df5873"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:16:53.874Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.4.289"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.233"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.19.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}