CVE-2023-53861
ext4: correct grp validation in ext4_mb_good_group
- State
- Published
- Severity
- Not scored
- Published
- Dec 9, 2025
- Updated
- May 23, 2026
- Reserved
- Dec 9, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: correct grp validation in ext4_mb_good_group
Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
LinuxLinux |
|
LinuxLinux |
|
References
- https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9
- https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07
- https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d
- https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4
- https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f
- https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93
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