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CVE-2026-89915: Undefined Security Weakness

🗓️ 16 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Linux kernel KVM arm64 removes flawed VNCR mapping counter causing missed TLB invalidations.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89915
16 Sep 202616:08
–circl
cve
CVE
CVE-2026-89915
16 Sep 202610:32
–cve
cvelist
Cvelist
CVE-2026-89915 KVM: arm64: Remove VM-wide VNCR mapping counter
16 Sep 202610:32
–cvelist
debiancve
Debian CVE
CVE-2026-89915
16 Sep 202610:32
–debiancve
euvd
EUVD
EUVD-2026-80515
16 Sep 202610:32
–euvd
nvd
NVD
CVE-2026-89915
16 Sep 202611:17
–nvd
osv
OSV
BELL-CVE-2026-89915
18 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89915
16 Sep 202611:17
–osv
osv
OSV
UBUNTU-CVE-2026-89915
16 Sep 202611:17
–osv
ubuntucve
UbuntuCve
CVE-2026-89915
16 Sep 202611:17
–ubuntucve
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16 Sep 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.3
EPSS0.00194
0