{"action":"Upgrade linux to 6.5.3-1 or later.","affected":[{"fixed":"6.5.3-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.5.3-1"],"id":"tcs_01M5NJVBB74C5ECZ484F4KQ3RY","modified_at":"2026-10-23T18:05:28.270552066Z","published_at":"2025-12-24T11:15:52.507Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53996","https://security-tracker.debian.org/tracker/CVE-2023-53996"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53996#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53996"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: x86/sev: Make enc_dec_hypercall() accept a size instead of npages enc_dec_hypercall() accepted a page count instead of a size, which"}