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Description

In the Linux kernel, the following vulnerability has been resolved: Squashfs: reject negative file sizes in squashfs_read_inode() Syskaller reports a "WARNING in ovl_copy_up_file" in overlayfs. This warning is ultimately caused because the underlying Squashfs file system returns a file with a negative file size. This commit checks for a negative file size and returns EINVAL. [phillip@squashfs.org.uk: only need to check 64 bit quantity]

PUBLISHED Reserved 2025-04-16 | Published 2025-11-12 | Updated 2025-12-01 | Assigner Linux

Product status

Default status
unaffected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before 54170057a5fadd24a37b70de41e61d39284d9bd7
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before 2871c74caa3f4f05b429e6bfefebac62dbf1b408
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before fbfc745db628de31f5c089147deeb87e95b89e66
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before 8118f66124895829443d09c207e654adcb2f9321
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before 8c7aad76751816207fee556d44aa88a710824810
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before 875fb3f87ae0225b881319ba016a1a8c4ffd5812
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before f271155ff31aca8ef82c61c8df23ca97e9a77dd4
affected

6545b246a2c815a8fcd07d58240effb6ec3481b1 (git) before 9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b
affected

Default status
affected

2.6.29
affected

Any version before 2.6.29
unaffected

5.4.301 (semver)
unaffected

5.10.246 (semver)
unaffected

5.15.195 (semver)
unaffected

6.1.157 (semver)
unaffected

6.6.113 (semver)
unaffected

6.12.54 (semver)
unaffected

6.17.4 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/54170057a5fadd24a37b70de41e61d39284d9bd7

git.kernel.org/...c/2871c74caa3f4f05b429e6bfefebac62dbf1b408

git.kernel.org/...c/fbfc745db628de31f5c089147deeb87e95b89e66

git.kernel.org/...c/8118f66124895829443d09c207e654adcb2f9321

git.kernel.org/...c/8c7aad76751816207fee556d44aa88a710824810

git.kernel.org/...c/875fb3f87ae0225b881319ba016a1a8c4ffd5812

git.kernel.org/...c/f271155ff31aca8ef82c61c8df23ca97e9a77dd4

git.kernel.org/...c/9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b

cve.org (CVE-2025-40200)

nvd.nist.gov (CVE-2025-40200)

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