Riskcovery

CVE-2026-72280

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

State
Published
Severity
7.1 High
Published
Aug 15, 2026
Updated
Oct 16, 2026
Reserved
Aug 9, 2026

Read the record on cve.org

Description

In 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...

Scores

CVSSScoreVectorSource
3.17.1 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f to before 6561597dba97e3e8479a9919bda172cf43eb902cAffected
  • 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f to before 5000bcae71c869cba6674c326fec2d8ad659ae3aAffected
  • 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f to before 7deadbc5dab5b8e2316364603bc6281129c8461cAffected
  • 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f to before 9f1667098c6ae7ec81a9a56859cfdacb822aa0d0Affected
LinuxLinux
  • 6.11Affected
  • before 6.11Not affected
  • 6.12.97 through 6.12.*Not affected
  • 6.18.40 through 6.18.*Not affected
  • 7.1.5 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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