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_...