{"action":"Upgrade linux to 6.3.11-1 or later.","affected":[{"fixed":"6.3.11-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.3.11-1"],"id":"tcs_01M5NJ4NYKSQ6A2B1CAPQAPBPJ","modified_at":"2026-10-26T18:03:05.380973562Z","published_at":"2023-07-21T21:15:11.743Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-3609","https://security-tracker.debian.org/tracker/CVE-2023-3609"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-3609#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-3609"}],"summary":"A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will immediately"}