{"action":"Upgrade linux to 6.12.94-1 or later.","affected":[{"fixed":"6.12.94-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.94-1"],"id":"tcs_01M5NTB8HKCJR7G5NNN4Q75FS5","modified_at":"2026-10-23T18:05:39.972385161Z","published_at":"2026-07-19T16:17:05.723Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63886","https://security-tracker.debian.org/tracker/CVE-2026-63886"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63886#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63886"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAP_R length before base64 decode chap_server_compute_hash() allocates client_digest as kzalloc(chap-"}