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CVE-2026-23425PATCHED
linux · linux kernel

KVM: arm64: Fix ID register initialization for non-protected pKVM guests

Description

A vulnerability, classified as critical, has been found in Linux Kernel up to 6.18.16/6.19.6/7.0-rc1. The affected element is the function pkvm_init_features_from_host of the component KVM. The manipulation leads to improper initialization. This vulnerability is uniquely identified as CVE-2026-23425. The attack can only be initiated within the local network. No exploit exists. It is advisable to upgrade the affected component.

Affected Products

VendorProductVersions
linuxlinux kernel41d6028e28bd474298ff10409c292ec46cf43a90, 41d6028e28bd474298ff10409c292ec46cf43a90, 41d6028e28bd474298ff10409c292ec46cf43a90, 6.14, 6.18.16, 6.19.6, 7.0-rc1

References

  • https://git.kernel.org/stable/c/bce3847f7c51b86332bf2e554c9e80ca3820f16c
  • https://git.kernel.org/stable/c/858620655c1fbff05997e162fc7d83a3293d5142
  • https://git.kernel.org/stable/c/7e7c2cf0024d89443a7af52e09e47b1fe634ab17

Related News (2 articles)

Tier C
VulDB2h ago
CVE-2026-23425 | Linux Kernel up to 6.18.16/6.19.6/7.0-rc1 KVM pkvm_init_features_from_host initialization
→ No new info (linked only)
Tier C
Linux Kernel CVEs3h ago
CVE-2026-23425: KVM: arm64: Fix ID register initialization for non-protected pKVM guests
→ No new info (linked only)
CISA KEV❌ No
Actively exploited❌ No
Patch available
bce3847f7c51b86332bf2e554c9e80ca3820f16c858620655c1fbff05997e162fc7d83a3293d51427e7c2cf0024d89443a7af52e09e47b1fe634ab1706.18.176.19.77.0-rc2
PublishedApr 3, 2026
Last enriched2h agov2
Trending Score41
Source articles2
Independent2
Info Completeness7/14
Missing: cvss, epss, cwe, kev, exploit, iocs, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 3, 2026
Discovered by ZDM
Apr 3, 2026
Patch Available
Apr 3, 2026
Updated: description, affectedVersions, severity
Apr 3, 2026

Version History

v2
Last enriched 2h ago
v2Tier C2h ago

Updated severity to CRITICAL, added affected versions 6.18.16, 6.19.6, 7.0-rc1, and corrected exploit availability to false.

descriptionaffectedVersionsseverity
via VulDB
v12h ago

Initial creation