BELL-CVE-2024-36027

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CVE-2024-36027

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: do not flag ZEROOUT on non-dirty extent buffer Btrfs clears the content of an extent buffer marked as EXTENTBUFFERZONEDZEROOUT before the bio submission. This mechanism is introduced to prevent a write hole of an...

CVE-2024-36027

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: do not flag ZEROOUT on non-dirty extent buffer Btrfs clears the content of an extent buffer marked as EXTENTBUFFERZONEDZEROOUT before the bio submission. This mechanism is introduced to prevent a write hole of an...

CVE-2024-36027

CVE-2024-36027 affects the Linux kernel’s BTRFS zoned write path. The issue arises when btrfs_clear_buffer_dirty() marks an extent buffer as EXTENT_BUFFER_ZONED_ZEROOUT and a write IO is in progress (WRITEBACK, not DIRTY); a ZEROOUT flag could be added just before bio submission, potentially clea...