CVE detail
CVE-2025-40200 — CVE-2025-40200
Published 2025-11-12 · Modified 2026-06-17 · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0020
EPSS probability
exploitation probability, 30d
10.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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]
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References