CVE-2024-40962

CVE-2024-40962 affects the Linux kernel btrfs zoning code. The issue is a NULL pointer dereference in btrfs_zone_finish_endio() when handling zoned NODATASUM writes under zoned emulation for conventional zones. The fix, as described in the disclosure, is to allocate dummy checksums for zoned NODA...

CVE-2024-40962 btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes Shin'ichiro reported that when he's running fstests' test-case btrfs/167 on emulated zoned devices, he's seeing the following NULL pointer dereference in...