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CVE-2026-80921: Undefined Security Weakness

🗓️ 09 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Nested guest can access unavailable devices due to non-zeroed crypto bits in KVM s390.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-80921
10 Sep 202615:40
–circl
cve
CVE
CVE-2026-80921
9 Sep 202616:19
–cve
cvelist
Cvelist
CVE-2026-80921 KVM: s390: vsie: zero stale crypto bits
9 Sep 202616:19
–cvelist
debiancve
Debian CVE
CVE-2026-80921
9 Sep 202616:19
–debiancve
euvd
EUVD
EUVD-2026-75098
9 Sep 202616:19
–euvd
mscve
Microsoft CVE
KVM: s390: vsie: zero stale crypto bits
11 Sep 202608:02
–mscve
nvd
NVD
CVE-2026-80921
9 Sep 202617:17
–nvd
osv
OSV
AZL-99950 CVE-2026-80921 affecting package kernel 6.6.150.1-1
9 Sep 202617:17
–osv
osv
OSV
BELL-CVE-2026-80921
11 Sep 202606:10
–osv
osv
OSV
DEBIAN-CVE-2026-80921
9 Sep 202617:17
–osv
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10 Sep 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
EPSS0.00184
0