{"id":"CVE-2026-72280","title":"KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2\n\nIt is entirely possible for a guest to write to the ZCR_EL2 sysreg alias\nwhile in a nested context, as it is expec…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 6561597dba97e3e8479a9919bda172cf43eb902c","Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 5000bcae71c869cba6674c326fec2d8ad659ae3a","Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 7deadbc5dab5b8e2316364603bc6281129c8461c","Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 9f1667098c6ae7ec81a9a56859cfdacb822aa0d0","Linux 6.11"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T18:45:36.633652Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:14.328Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72280","references":[{"url":"https://git.kernel.org/stable/c/6561597dba97e3e8479a9919bda172cf43eb902c"},{"url":"https://git.kernel.org/stable/c/5000bcae71c869cba6674c326fec2d8ad659ae3a"},{"url":"https://git.kernel.org/stable/c/7deadbc5dab5b8e2316364603bc6281129c8461c"},{"url":"https://git.kernel.org/stable/c/9f1667098c6ae7ec81a9a56859cfdacb822aa0d0"}],"tags":["cve.org"],"epss":0.00186,"epssPercentile":0.07646,"ingestedAt":"2026-10-16T19:46:24.414Z","slug":"CVE-2026-72280","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2\n\nIt is entirely possible for a guest to write to the ZCR_EL2 sysreg alias\nwhile in a nested context, as it is expected if FEAT_NV2 is advertised\nto the L1 hypervisor.\n\nGet rid of the bogus WARN which, since the hyp vectors were installed at\nthis point, has the effect of a hyp_panic...\n\n## Affected\n\n- `Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 6561597dba97e3e8479a9919bda172cf43eb902c`\n- `Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 5000bcae71c869cba6674c326fec2d8ad659ae3a`\n- `Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 7deadbc5dab5b8e2316364603bc6281129c8461c`\n- `Linux >= 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f < 9f1667098c6ae7ec81a9a56859cfdacb822aa0d0`\n- `Linux 6.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}