| Description |
CVE-2022-1015 pertains to an out of bounds access in nf_tables expression evaluation due to validation of user register indices. It leads to local privilege escalation, for example by overwriting a stack return address OOB with a crafted nft_expr_payload. CVE-2022-1015 is exploitable starting from commit 345023b0db3 ("netfilter: nftables: add nft_parse_register_store() and use it"), v5.12 and has been fixed in commit 6e1acfa387b9 ("netfilter: nf_tables: validate registers coming from userspace."). |