{"action":"Upgrade linux to 6.1.170-1 or later.","affected":[{"fixed":"6.1.170-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.170-1"],"id":"tcs_01M5NR36QVMC4RHV7F5FKRY3RG","modified_at":"2026-10-15T09:47:32.520041843Z","published_at":"2026-03-26T11:16:19.910Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-23398","https://security-tracker.debian.org/tracker/CVE-2026-23398"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-23398","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-23398"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmp_tag_validation() icmp_tag_validation() unconditionally dereferences the result of rcu_der"}