EUVD-2026-27370

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocate block from corrupted group in ext4mbfindbygoal There's issue as follows: ... EXT4-fs mmcblk0p1: Delayed block allocation failed for inode 206 at logical offset 0 with max blocks 1 with error 117 EXT4-fs...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

A vulnerability was found in the ext4mbtrybestfound function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap...

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

A flaw was found in the Linux kernel's ext4 filesystem related to the fast commit replay process. During this process, blocks that are already marked as free can be incorrectly marked as free again, leading to the corruption of the buddy bitmap, which is used to track free and allocated blocks...

SUSE CVE-2024-26773

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4mbtrybestfound Determine if the group block bitmap is corrupted before using acbex in ext4mbtrybestfound to avoid allocating blocks from a group with a corrupted block...

UBUNTU-CVE-2024-26774

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid dividing by 0 in mbupdateavgfragmentsize when block bitmap corrupt Determine if bbfragments is 0 instead of determining bbfree to eliminate the risk of dividing by zero when the block bitmap is corrupted...

CVE-2024-26772: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4mbfindbygoal Places the logic for checking if the group's block bitmap is corrupt under the protection of the group lock to avoid allocating blocks from the group with a...