{"action":"Upgrade linux to 6.1.176-1 or later.","affected":[{"fixed":"6.1.176-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.176-1"],"id":"tcs_01M5NTBNPZ258191V91WWZT237","modified_at":"2026-10-23T18:05:02.967810444Z","published_at":"2026-07-19T16:17:10.787Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63925","https://security-tracker.debian.org/tracker/CVE-2026-63925"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63925","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63925"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: macsec: fix replay protection at XPN lower-PN wrap In macsec_post_decrypt(), when pn is U32_MAX, pn + 1 overflows u32 to 0 and the f"}