UBUNTU-CVE-2024-26772

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...

UBUNTU-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...

CVE-2024-26774 ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

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-2024-26774

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-2024-26774 ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

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-2024-26773 ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

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...

CVE-2024-26773

Summary (CVE-2024-26773): The Linux kernel ext4 allocator could allocate blocks from a group whose block bitmap was corrupted, due to a concurrency window where ac_b_ex was used in ext4_mb_try_best_found(). The issue was tied to validating whether a group bitmap is corrupted before block allocati...

CVE-2024-26773 ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

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...

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...

CVE-2024-26773 ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

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...

CVE-2024-26772 ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

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...

CVE-2024-26772 ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

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...

CVE-2024-26772

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...

CVE-2024-26772

CVE-2024-26772 describes a Linux kernel vulnerability in ext4 where block allocations could come from a corrupted group bitmap. The fix moves the group bitmap integrity check under the group lock in ext4_mb_find_by_goal(), ensuring that blocks are not allocated from a group whose bitmap is corrup...

CVE-2024-26772 ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

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...

CVE-2024-26704

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents movedlen In ext4moveextents, movedlen is only updated when all moves are successfully executed, and only discards originode and donorinode preallocations when movedlen is not...

DEBIAN-CVE-2024-26704

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents movedlen In ext4moveextents, movedlen is only updated when all moves are successfully executed, and only discards originode and donorinode preallocations when movedlen is not...

CVE-2024-26704

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents movedlen In ext4moveextents, movedlen is only updated when all moves are successfully executed, and only discards originode and donorinode preallocations when movedlen is not...

UBUNTU-CVE-2024-26704

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents movedlen In ext4moveextents, movedlen is only updated when all moves are successfully executed, and only discards originode and donorinode preallocations when movedlen is not...

CVE-2024-26704 ext4: fix double-free of blocks due to wrong extents moved_len

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents movedlen In ext4moveextents, movedlen is only updated when all moves are successfully executed, and only discards originode and donorinode preallocations when movedlen is not...