CVE-2025-40200
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- CVE-2025-40200
CVE Details
| Release Date: | 2025-11-12 | |
| Impact: | Moderate | What is this? |
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]
See more information about CVE-2025-40200 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 4.4 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | High |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (kernel-uek) | ELSA-2025-28049 | 2025-12-12 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2025-28048 | 2025-12-12 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2025-28049 | 2025-12-12 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2025-28048 | 2025-12-12 |
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