CVE-2023-53861
ext4: correct grp validation in ext4_mb_good_group
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 9, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
100c0ad6c04597fefeaaba2bb1827cc015d95067 < 245759d987b617d183061db6ab8886ebb5cc78e9 620a3c28221bb219b81bc0bffd065cc187494302 < 3e24082f16825279054a2b8a5e668d65070bbf07 b4319e457d6e3fb33e443efeaf4634fc36e8a9ed < 772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d 5354b2af34064a4579be8bc0e2f15a7b70f14b5f < 83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4 5354b2af34064a4579be8bc0e2f15a7b70f14b5f < e69d665987db0e37896adf78a7e718f9a0a75d3f 5354b2af34064a4579be8bc0e2f15a7b70f14b5f < a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93 31668cebf45adfb6283e465e641c4f5a21b07afa
Linux / Linux
6.4
References
git.kernel.org: https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9 git.kernel.org: https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07 git.kernel.org: https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d git.kernel.org: https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4 git.kernel.org: https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f git.kernel.org: https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93