CVE-2026-72280
KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2
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...
INFO
Published Date :
Aug. 15, 2026, 6:21 a.m.
Last Modified :
Aug. 17, 2026, 6:18 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel.
- Apply the specific patch for KVM arm64.
- Reboot the affected system.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-72280.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72280 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-72280
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-72280 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72280 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '6561597dba97e3e8479a9919bda172cf43eb902c', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '5000bcae71c869cba6674c326fec2d8ad659ae3a', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '7deadbc5dab5b8e2316364603bc6281129c8461c', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '9f1667098c6ae7ec81a9a56859cfdacb822aa0d0', 'versionType': 'git'}], 'programFiles': ['arch/arm64/kvm/hyp/include/hyp/switch.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc4', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['arch/arm64/kvm/hyp/include/hyp/switch.h'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '6561597dba97e3e8479a9919bda172cf43eb902c', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '5000bcae71c869cba6674c326fec2d8ad659ae3a', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '7deadbc5dab5b8e2316364603bc6281129c8461c', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '9f1667098c6ae7ec81a9a56859cfdacb822aa0d0', 'versionType': 'git'}], 'programFiles': ['arch/arm64/kvm/hyp/include/hyp/switch.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['arch/arm64/kvm/hyp/include/hyp/switch.h'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '6561597dba97e3e8479a9919bda172cf43eb902c', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '5000bcae71c869cba6674c326fec2d8ad659ae3a', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '7deadbc5dab5b8e2316364603bc6281129c8461c', 'versionType': 'git'}, {'status': 'affected', 'version': '0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f', 'lessThan': '9f1667098c6ae7ec81a9a56859cfdacb822aa0d0', 'versionType': 'git'}], 'programFiles': ['arch/arm64/kvm/hyp/include/hyp/switch.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc4', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['arch/arm64/kvm/hyp/include/hyp/switch.h'], 'defaultStatus': 'affected'}] Added 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... Added Reference https://git.kernel.org/stable/c/5000bcae71c869cba6674c326fec2d8ad659ae3a Added Reference https://git.kernel.org/stable/c/6561597dba97e3e8479a9919bda172cf43eb902c Added Reference https://git.kernel.org/stable/c/7deadbc5dab5b8e2316364603bc6281129c8461c Added Reference https://git.kernel.org/stable/c/9f1667098c6ae7ec81a9a56859cfdacb822aa0d0