{"action":"Upgrade linux to 6.12.88-1 or later.","affected":[{"fixed":"6.12.88-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.88-1"],"id":"tcs_01M5NS2DF60KMPMH9FBQKVN7YM","modified_at":"2026-10-01T03:03:23.311427736Z","published_at":"2026-05-06T10:16:24.577Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-43109","https://security-tracker.debian.org/tracker/CVE-2026-43109"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-43109","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-43109"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: x86: shadow stacks: proper error handling for mmap lock 김영민 reports that shstk_pop_sigframe() doesn't check for errors from mmap_rea"}