{"action":"Upgrade linux to 6.12.20-1 or later.","affected":[{"fixed":"6.12.20-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.20-1"],"id":"tcs_01M5NN42W8AP9VMXBVXG89GSR6","modified_at":"2026-09-01T20:05:43.766264905Z","published_at":"2025-04-02T13:15:43.940Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21993","https://security-tracker.debian.org/tracker/CVE-2025-21993"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21993#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21993"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic() When performing an iSCSI boot using IPv6, iscsistart still"}