CVE-2023-54127 fs/jfs: prevent double-free in dbUnmount() after failed jfs_remount()

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: prevent double-free in dbUnmount after failed jfsremount Syzkaller reported the following issue: ================================================================== BUG: KASAN: double-free in slabfree mm/slub.c:3787 inline...

The vulnerability of the jfs_mount() function in the fs/jfs/jfs_mount.c file of the JFS file system in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the jfsmount function in the fs/jfs/jfsmount.c file of the JFS file system in the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...