CVE-2025-40200 - Squashfs: reject negative file sizes in squashfs_read_inode()

CVE-2025-40200 - Squashfs: reject negative file sizes in squashfs_read_inode()

https://cvefeed.io/rssfeed/latest.atom / Thu, 11/13/2025 - 01:48
CVE ID : CVE-2025-40200
Published : Nov. 12, 2025, 10:15 p.m. | 2 hours, 32 minutes ago
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]
Severity: 0.0 | NA
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