{"action":"Upgrade linux to 6.18.8-1 or later.","affected":[{"fixed":"6.18.8-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.18.8-1"],"id":"tcs_01M5NR0DZJ4SRQ1T2WB5PT2TAP","modified_at":"2026-10-01T03:03:20.612301650Z","published_at":"2026-02-04T17:16:17.403Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-23067","https://security-tracker.debian.org/tracker/CVE-2026-23067"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-23067","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-23067"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: iommu/io-pgtable-arm: fix size_t signedness bug in unmap path __arm_lpae_unmap() returns size_t but was returning -ENOENT (negative"}