Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the failure of the nilfs2 module to properly handle buffer delay flags when reading a corrupted filesystem...

kernel: jbd2: unmapped buffer with _Unwritten or _Delay flags set can lead to DoS

The journalunmapbuffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the Delay and Unwritten buffer head states, which allows local users to cause a denial of service system crash by leveraging the presence of an ext4 filesystem that was mounted with ...