CVE-2025-39691 fs/buffer: fix use-after-free when call bh_read() helper

In the Linux kernel, the following vulnerability has been resolved: fs/buffer: fix use-after-free when call bhread helper There's issue as follows: BUG: KASAN: stack-out-of-bounds in endbufferreadsync+0xe3/0x110 Read of size 8 at addr ffffc9000168f7f8 by task swapper/3/0 CPU: 3 UID: 0 PID: 0 Comm...

CVE-2025-39691 fs/buffer: fix use-after-free when call bh_read() helper

In the Linux kernel, the following vulnerability has been resolved: fs/buffer: fix use-after-free when call bhread helper There's issue as follows: BUG: KASAN: stack-out-of-bounds in endbufferreadsync+0xe3/0x110 Read of size 8 at addr ffffc9000168f7f8 by task swapper/3/0 CPU: 3 UID: 0 PID: 0 Comm...

PT-2024-36995

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a race condition in the ext4 file system's buffer head read fault injection. This occurs because the completion of buffer head read and the buffer head fault...