Ubuntu Security Update USN-7700-1: GCC vulnerability

[LinuxBot]

It was discovered that the -fstack-protector hardening feature in GCC for AArch64 did not properly protect dynamically-sized local variables such as those created using C99 variable length arrays or alloca. As a result, an attacker who was able to trigger a buffer overflow in such cases could bypass the intended stack protection checks. (CVE-2023-4039)

Continue reading...