{"id":"CVE-2026-72280","title":"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…","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","cwe":["CWE-617"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 9"],"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:17:18.343","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72280","references":[{"url":"https://git.kernel.org/stable/c/5000bcae71c869cba6674c326fec2d8ad659ae3a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6561597dba97e3e8479a9919bda172cf43eb902c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7deadbc5dab5b8e2316364603bc6281129c8461c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9f1667098c6ae7ec81a9a56859cfdacb822aa0d0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72280.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-72280"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516304"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72280"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72280"},{"url":"https://lore.kernel.org/linux-cve-announce/2026081558-CVE-2026-72280-0233@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","cve.org"],"epss":0.00186,"epssPercentile":0.08093,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T18:45:36.633652Z"},"scores":{"nvd":7.1,"vendor":5.5,"cna":7.1},"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## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72280.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":230278,"id":"CVE-2026-72280","ts":1793130914488,"field":"cvss","old":"5.5","new":"7.1"},{"seq":230277,"id":"CVE-2026-72280","ts":1793130914488,"field":"severity","old":"medium","new":"high"},{"seq":223649,"id":"CVE-2026-72280","ts":1792238347030,"field":"cvss","old":"7.1","new":"5.5"},{"seq":223648,"id":"CVE-2026-72280","ts":1792238347030,"field":"severity","old":"high","new":"medium"}]}