kernel: bpf: Fix a kernel verifier crash in stacksafe()

A flaw was found in the Linux kernel. A local attacker with specific privileges could trigger an invalid memory access within the BPF Berkeley Packet Filter verifier's stacksafe function. This out-of-bounds access could lead to a kernel crash, resulting in a Denial of Service DoS for the system...

DEBIAN-CVE-2024-45020

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a kernel verifier crash in stacksafe Daniel Hodges reported a kernel verifier crash when playing with sched-ext. Further investigation shows that the crash is due to invalid memory access in stacksafe. More specifically,...