{"action":"Upgrade linux to 6.4.13-1 or later.","affected":[{"fixed":"6.4.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.4.13-1"],"id":"tcs_01M5NJXJH2J0PRHP69J5KTNZ2A","modified_at":"2026-10-26T18:03:10.568361194Z","published_at":"2025-12-30T13:16:14.560Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-54258","https://security-tracker.debian.org/tracker/CVE-2023-54258"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-54258#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-54258"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifs_oplock_break With deferred close we can have closes that race with lease breaks, and so with the cu"}