The vulnerability of the lookup_rec() function in the kernel/trace/ftrace.c module, which supports Linux operating system tracing, allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the lookuprec function in the kernel/trace/ftrace.c module, which supports kernel tracing in Linux operating systems, is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

CVE-2023-53075

CVE-2023-53075 : In the Linux kernel, a ftrace lookup_rec() path can read records[-1].ip when index is 0, causing a KASAN use-after-free read via task modprobe. The root cause is an invalid access to pg->records[pg->index - 1].ip when pg->index is 0. The fix prevents IP checks when pg-&g...