CVE-2025-40200

Nov. 14, 2025, 4:42 p.m.

None
No Score

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]

Product(s) Impacted

Product Versions
linux_kernel
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://git.kernel.org/stable/c/2871c74caa3f4f05b429e6bfefebac62dbf1b408
https://git.kernel.org/stable/c/54170057a5fadd24a37b70de41e61d39284d9bd7
https://git.kernel.org/stable/c/8118f66124895829443d09c207e654adcb2f9321
https://git.kernel.org/stable/c/875fb3f87ae0225b881319ba016a1a8c4ffd5812
https://git.kernel.org/stable/c/8c7aad76751816207fee556d44aa88a710824810
https://git.kernel.org/stable/c/9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b
https://git.kernel.org/stable/c/f271155ff31aca8ef82c61c8df23ca97e9a77dd4
https://git.kernel.org/stable/c/fbfc745db628de31f5c089147deeb87e95b89e66

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
2025-11-12
CVE-2025-40200

Timeline

Published: Nov. 12, 2025, 10:15 p.m.
Last Modified: Nov. 14, 2025, 4:42 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.