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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-40200 Detail

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. [[email protected]: only need to check 64 bit quantity]


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/2871c74caa3f4f05b429e6bfefebac62dbf1b408 kernel.org
https://git.kernel.org/stable/c/54170057a5fadd24a37b70de41e61d39284d9bd7 kernel.org
https://git.kernel.org/stable/c/8118f66124895829443d09c207e654adcb2f9321 kernel.org
https://git.kernel.org/stable/c/875fb3f87ae0225b881319ba016a1a8c4ffd5812 kernel.org
https://git.kernel.org/stable/c/8c7aad76751816207fee556d44aa88a710824810 kernel.org
https://git.kernel.org/stable/c/9f1c14c1de1bdde395f6cc893efa4f80a2ae3b2b kernel.org
https://git.kernel.org/stable/c/f271155ff31aca8ef82c61c8df23ca97e9a77dd4 kernel.org
https://git.kernel.org/stable/c/fbfc745db628de31f5c089147deeb87e95b89e66 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-40200
NVD Published Date:
11/12/2025
NVD Last Modified:
04/14/2026
Source:
kernel.org