{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M6355JR5TTBK103M8CPR03E3","modified_at":"2026-11-02T18:01:11.204482777Z","published_at":"2026-10-28T11:17:32.317Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-99126","https://security-tracker.debian.org/tracker/CVE-2026-99126"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-99126","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-99126"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: s390/ctcm: Prevent XID null dereference The mpc_validate_xid() function sets grp->saved_xid2->xid2_flag2 to 0x40 to signal XID valid"}