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2022-01-26
Linux Kernel af_packet.c Double Free Local Privilege Escalation Vulnerability (CVE-2021-22600) Security Advisory
[Affected Scope] Linux Kernel environments prior to specific patched versions
[Impact] A local attacker can trigger a double free via crafted system calls, leading to kernel memory corruption, Denial of Service (DoS), or local privilege escalation to root.
[Mitigation] Upgrade the Linux kernel to the latest distribution package or rebuild with upstream commit ec6af094ea28.