CVE-2025-40200
Squashfs: reject negative file sizes in squashfs_read_inode()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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. [[email protected]: only need to check 64 bit quantity]
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 12, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
6545b246a2c815a8fcd07d58240effb6ec3481b1 < 54170057a5fadd24a37b70de41e61d39284d9bd7 6545b246a2c815a8fcd07d58240effb6ec3481b1 < 2871c74caa3f4f05b429e6bfefebac62dbf1b408 6545b246a2c815a8fcd07d58240effb6ec3481b1 < fbfc745db628de31f5c089147deeb87e95b89e66 6545b246a2c815a8fcd07d58240effb6ec3481b1 < 8118f66124895829443d09c207e654adcb2f9321 6545b246a2c815a8fcd07d58240effb6ec3481b1 < 8c7aad76751816207fee556d44aa88a710824810 6545b246a2c815a8fcd07d58240effb6ec3481b1 < 875fb3f87ae0225b881319ba016a1a8c4ffd5812 6545b246a2c815a8fcd07d58240effb6ec3481b1 < f271155ff31aca8ef82c61c8df23ca97e9a77dd4 6545b246a2c815a8fcd07d58240effb6ec3481b1 < 9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b
Linux / Linux
2.6.29
References
git.kernel.org: https://git.kernel.org/stable/c/54170057a5fadd24a37b70de41e61d39284d9bd7 git.kernel.org: https://git.kernel.org/stable/c/2871c74caa3f4f05b429e6bfefebac62dbf1b408 git.kernel.org: https://git.kernel.org/stable/c/fbfc745db628de31f5c089147deeb87e95b89e66 git.kernel.org: https://git.kernel.org/stable/c/8118f66124895829443d09c207e654adcb2f9321 git.kernel.org: https://git.kernel.org/stable/c/8c7aad76751816207fee556d44aa88a710824810 git.kernel.org: https://git.kernel.org/stable/c/875fb3f87ae0225b881319ba016a1a8c4ffd5812 git.kernel.org: https://git.kernel.org/stable/c/f271155ff31aca8ef82c61c8df23ca97e9a77dd4 git.kernel.org: https://git.kernel.org/stable/c/9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b