{"action":"Upgrade linux to 6.1.180-1 or later.","affected":[{"fixed":"6.1.180-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.180-1"],"id":"tcs_01M5NTJ3BN77BE144SGCYJ8A9J","modified_at":"2026-10-15T09:47:31.519364463Z","published_at":"2026-07-27T21:17:06.130Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-64538","https://security-tracker.debian.org/tracker/CVE-2026-64538"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-64538","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-64538"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6_nh_mtu_change(). fib6_nh_mtu_change() re-fetches idev via __in6_dev_get(arg->dev) and dereferences"}