VYPR
High severity7.8NVD Advisory· Published Feb 26, 2024· Updated Aug 4, 2026

CVE-2024-26601

CVE-2024-26601

Description

In the Linux kernel, the following vulnerability has been resolved:

ext4: regenerate buddy after block freeing failed if under fc replay

This mostly reverts commit 6bd97bf273bd ("ext4: remove redundant mb_regenerate_buddy()") and reintroduces mb_regenerate_buddy(). Based on code in mb_free_blocks(), fast commit replay can end up marking as free blocks that are already marked as such. This causes corruption of the buddy bitmap so we need to regenerate it in that case.

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Affected products

148

Patches

Vulnerability mechanics

References

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