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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.

PUBLISHED Reserved 2025-12-09 | Published 2025-12-09 | Updated 2025-12-09 | Assigner Linux

Product status

Default status
unaffected

100c0ad6c04597fefeaaba2bb1827cc015d95067 (git) before 245759d987b617d183061db6ab8886ebb5cc78e9
affected

620a3c28221bb219b81bc0bffd065cc187494302 (git) before 3e24082f16825279054a2b8a5e668d65070bbf07
affected

b4319e457d6e3fb33e443efeaf4634fc36e8a9ed (git) before 772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d
affected

5354b2af34064a4579be8bc0e2f15a7b70f14b5f (git) before 83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4
affected

5354b2af34064a4579be8bc0e2f15a7b70f14b5f (git) before e69d665987db0e37896adf78a7e718f9a0a75d3f
affected

5354b2af34064a4579be8bc0e2f15a7b70f14b5f (git) before a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93
affected

31668cebf45adfb6283e465e641c4f5a21b07afa (git)
affected

Default status
affected

6.4
affected

Any version before 6.4
unaffected

5.10.195 (semver)
unaffected

5.15.132 (semver)
unaffected

6.1.53 (semver)
unaffected

6.4.16 (semver)
unaffected

6.5.3 (semver)
unaffected

6.6 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/245759d987b617d183061db6ab8886ebb5cc78e9

git.kernel.org/...c/3e24082f16825279054a2b8a5e668d65070bbf07

git.kernel.org/...c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d

git.kernel.org/...c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4

git.kernel.org/...c/e69d665987db0e37896adf78a7e718f9a0a75d3f

git.kernel.org/...c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93

cve.org (CVE-2023-53861)

nvd.nist.gov (CVE-2023-53861)

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