CVE-2026-64326

CVE-2026-64326 is a denial-of-service flaw in the Linux kernel's block subsystem . When bdev_mark_dead() is called with surprise == true (device already gone), the bare block-device path unconditionally invokes sync_blockdev(), which can hang indefinitely in folio_wait_writeback() waiting on I/O ...

CVE-2024-53167: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: nfs/blocklayout: Don't attempt unregister for invalid block device Since commit d869da91cccb "nfs/blocklayout: Fix premature PR key unregistration" an unmount of a pNFS SCSI layout-enabled NFS may dereference a NULL blockdevice i...

CVE-2024-53131 nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix null-ptr-deref in blocktouchbuffer tracepoint Patch series "nilfs2: fix null-ptr-deref bugs on block tracepoints". This series fixes null pointer dereference bugs that occur when using nilfs2 and two block-related...

CVE-2024-53130

CVE-2024-53130 affects the Linux kernel nilfs2 code. The issue is a NULL pointer dereference in the block_dirty_buffer tracepoint when using mark_buffer_dirty(), caused by bh->b_bdev->bd_dev being dereferenced even if the buffer head lacks a block_device pointer. The kernel fix makes nilfs_...