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Status published
Unknown
CVE-2023-53861
ext4: correct grp validation in ext4_mb_good_group
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
100c0ad6c04597fefeaaba2bb1827cc015d95067, 620a3c28221bb219b81bc0bffd065cc187494302, b4319e457d6e3fb33e443efeaf4634fc36e8a9ed, 5354b2af34064a4579be8bc0e2f15a7b70f14b5f, 31668cebf45adfb6283e465e641c4f5a21b07afa, 5.10.181, 5.15.113, 6.1.30, 6.3.4, 6.4, 0, 5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3, 6.6
Timeline
Official Publish:
December 9th, 2025
Last Modified:
May 23rd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.