Amazon Linux AMI 2: CVE-2022-34918: Security patch for kernel, kernel-livepatch-5.10.109-104.500, kernel-livepatch-5.10.112-108.499, kernel-livepatch-5.10.118-111.515, kernel-livepatch-5.10.126-117.518 (Multiple Advisories)

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.