{"action":"Upgrade linux to 6.4.4-1 or later.","affected":[{"fixed":"6.4.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.4-1"],"id":"tcs_01M5NJ1R15EV6WP98GXYHR6620","modified_at":"2026-10-26T18:00:55.834814397Z","published_at":"2023-07-05T19:15:09.713Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-31248","https://security-tracker.debian.org/tracker/CVE-2023-31248"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-31248#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-31248"}],"summary":"Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespac"}