KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72280
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:21:58 UTC
Updated2026-08-17 06:18:30 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2 It is entirely possible for a guest to write to the ZCR_EL2 sysreg alias while in a nested context, as it is expected if FEAT_NV2 is advertised to the L1 hypervisor. Get rid of the bogus WARN which, since the hyp vectors were installed at this point, has the effect of a hyp_panic...

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS: 0.001860000 probability, percentile 0.084760000 (date 2026-08-17)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f 6561597dba97e3e8479a9919bda172cf43eb902c git Not specified
CNA Linux Linux affected 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f 5000bcae71c869cba6674c326fec2d8ad659ae3a git Not specified
CNA Linux Linux affected 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f 7deadbc5dab5b8e2316364603bc6281129c8461c git Not specified
CNA Linux Linux affected 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f 9f1667098c6ae7ec81a9a56859cfdacb822aa0d0 git Not specified
CNA Linux Linux affected 6.11 Not specified
CNA Linux Linux unaffected 6.11 semver Not specified
CNA Linux Linux unaffected 6.12.97 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/7deadbc5dab5b8e2316364603bc6281129c8461c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6561597dba97e3e8479a9919bda172cf43eb902c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5000bcae71c869cba6674c326fec2d8ad659ae3a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9f1667098c6ae7ec81a9a56859cfdacb822aa0d0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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