{"action":"Upgrade linux to 6.4.11-1 or later.","affected":[{"fixed":"6.4.11-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.11-1"],"id":"tcs_01M5NJN5TP0V79BYERS7HPPXG7","modified_at":"2026-10-26T18:03:04.333375708Z","published_at":"2025-09-15T15:15:47.437Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53209","https://security-tracker.debian.org/tracker/CVE-2023-53209"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53209#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53209"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus"}