CVE-2023-54140

CVE-2023-54140 affects the Linux kernel nilfs2 subsystem. A bug in mark_buffer_dirty() could emit a kernel warning when buffers are reused from local structures and then discarded by nilfs_clear_dirty_page(), potentially triggering a panic if panic_on_warn is enabled. The issue was reported via s...

CVE-2023-53337

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not write dirty data after degenerating to read-only According to syzbot's report, markbufferdirty called from nilfssegctordoconstruct outputs a warning with some patterns after nilfs2 detects metadata corruption and...

CVE-2024-53130 nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix null-ptr-deref in blockdirtybuffer tracepoint When using the "block:blockdirtybuffer" tracepoint, markbufferdirty may cause a NULL pointer dereference, or a general protection fault when KASAN is enabled. This happens...

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_...

CVE-2024-53130 nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix null-ptr-deref in blockdirtybuffer tracepoint When using the "block:blockdirtybuffer" tracepoint, markbufferdirty may cause a NULL pointer dereference, or a general protection fault when KASAN is enabled. This happens...