CVE-2026-72280
CVE-2026-72280: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-72280] Drop bogus WARN for write to ZCR_EL2
CVE-2026-72280Source published Source updated
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... A flaw was found in the Linux kernel's KVM (Kernel-based Virtual Machine) for ARM64 architectures. A guest operating system, when operating in a nested virtualization environment, could trigger a hypervisor panic (hyp_panic) by writing to the ZCR_EL2 system register alias. This issue leads to a denial of service for the virtual machine, potentially affecting the stability of the host…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
- Red Hat package: kernel-rt
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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