kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size

A flaw was found in the Linux kernel's Performance Events system component. A condition can be triggered that allows data to be written past the end or before the beginning of the intended memory buffer. This may lead to a system crash, code execution, or local privilege escalation...

CVE-2023-6931

A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perfevent's readsize can overflow, leading to an heap out-of-bounds increment or write in perfreadgroup. We recommend upgrading past commit...

UBUNTU-CVE-2023-6931

A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perfevent's readsize can overflow, leading to an heap out-of-bounds increment or write in perfreadgroup. We recommend upgrading past commit...