{"action":"Upgrade linux to 5.10.19-1 or later.","affected":[{"fixed":"5.10.19-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.10.19-1"],"id":"tcs_01M5NFGDWH2E2ZVGDGVKGPK7BP","modified_at":"2026-10-23T18:03:25.729239307Z","published_at":"2021-02-17T01:15:13.157Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-26930","https://security-tracker.debian.org/tracker/CVE-2021-26930"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-26930#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-26930"}],"summary":"An issue was discovered in the Linux kernel 3.11 through 5.10.16, as used by Xen. To service requests to the PV backend, the driver maps grant references provided by the frontend. In this process, err"}