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CVE-2026-72280

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

HIGH
7.1
CVSS Score
Published: August 15, 2026 at 05:55 AM UTC
Updated: October 16, 2026 at 07:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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...

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f6.11
Vendor states this is fixed in 5000bcae71c869cba6674c326fec2d8ad659ae3a (fixed)
Vendor states this is fixed in 6561597dba97e3e8479a9919bda172cf43eb902c (fixed)
Vendor states this is fixed in 7deadbc5dab5b8e2316364603bc6281129c8461c (fixed)
Vendor states this is fixed in 9f1667098c6ae7ec81a9a56859cfdacb822aa0d0 (fixed)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.12.97 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: cverecord
https://git.kernel.org/stable/c/6561597dba97e3e8479a9919bda172cf43eb902c
Source: cverecord
https://git.kernel.org/stable/c/5000bcae71c869cba6674c326fec2d8ad659ae3a
Source: cverecord
https://git.kernel.org/stable/c/7deadbc5dab5b8e2316364603bc6281129c8461c
Source: cverecord
https://git.kernel.org/stable/c/9f1667098c6ae7ec81a9a56859cfdacb822aa0d0

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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