{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40200","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.178Z","datePublished":"2025-11-12T21:56:33.783Z","dateUpdated":"2026-05-11T21:44:41.773Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:44:41.773Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nSquashfs: reject negative file sizes in squashfs_read_inode()\n\nSyskaller reports a \"WARNING in ovl_copy_up_file\" in overlayfs.\n\nThis warning is ultimately caused because the underlying Squashfs file\nsystem returns a file with a negative file size.\n\nThis commit checks for a negative file size and returns EINVAL.\n\n[phillip@squashfs.org.uk: only need to check 64 bit quantity]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/squashfs/inode.c"],"versions":[{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"54170057a5fadd24a37b70de41e61d39284d9bd7","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"2871c74caa3f4f05b429e6bfefebac62dbf1b408","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"fbfc745db628de31f5c089147deeb87e95b89e66","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"8118f66124895829443d09c207e654adcb2f9321","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"8c7aad76751816207fee556d44aa88a710824810","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"875fb3f87ae0225b881319ba016a1a8c4ffd5812","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"f271155ff31aca8ef82c61c8df23ca97e9a77dd4","status":"affected","versionType":"git"},{"version":"6545b246a2c815a8fcd07d58240effb6ec3481b1","lessThan":"9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b","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/squashfs/inode.c"],"versions":[{"version":"2.6.29","status":"affected"},{"version":"0","lessThan":"2.6.29","status":"unaffected","versionType":"semver"},{"version":"5.4.301","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.246","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.195","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.157","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.113","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.54","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.4","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18","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":"2.6.29","versionEndExcluding":"5.4.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.10.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.15.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.1.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.6.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.12.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/54170057a5fadd24a37b70de41e61d39284d9bd7"},{"url":"https://git.kernel.org/stable/c/2871c74caa3f4f05b429e6bfefebac62dbf1b408"},{"url":"https://git.kernel.org/stable/c/fbfc745db628de31f5c089147deeb87e95b89e66"},{"url":"https://git.kernel.org/stable/c/8118f66124895829443d09c207e654adcb2f9321"},{"url":"https://git.kernel.org/stable/c/8c7aad76751816207fee556d44aa88a710824810"},{"url":"https://git.kernel.org/stable/c/875fb3f87ae0225b881319ba016a1a8c4ffd5812"},{"url":"https://git.kernel.org/stable/c/f271155ff31aca8ef82c61c8df23ca97e9a77dd4"},{"url":"https://git.kernel.org/stable/c/9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b"}],"title":"Squashfs: reject negative file sizes in squashfs_read_inode()","x_generator":{"engine":"bippy-1.2.0"}}}}