kernel: pipe buffer state corruption after unsuccessful atomic read from pipe

It was found that the fix for CVE-2015-1805 incorrectly kept buffer offset and buffer length in sync on a failed atomic read, potentially resulting in a pipe buffer state corruption. A local, unprivileged user could use this flaw to crash the system or leak kernel memory to user space...

Linux kernel memory leak vulnerability

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a program's failure to properly keep buffer offsets and lengths synchronized after an atomic read failure. ...