Search: CVE-2026-89775

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
Critical	9.3	EPSS 0.2%	CVE-2026-89775Linux kernel · KVM: arm64: Handle negative S1 walk levels in VNCR TLB size evaluation Critical9.3EPSS 0.2%2026-09-16GCVE DatabaseCVE-2026-89775 A vulnerability in the Linux kernel's KVM arm64 code related to handling negative S1 walk levels in VNCR TLB size evaluation has been resolved. The issue arises because the function pgshift_level_to_ttl() does not correctly handle negative levels, leading to an invalid TLB invalidation size of zero when the MMU is off. This flaw affects specific Linux kernel versions and has been assigned CVE-2026-89775 with a high CVSS score of 9.3. EPSS 0.2%Vulnerability	GCVE Database	2026-09-16

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