KVM: arm64: Sign-extend VA for range-based TLBI invalidation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89914
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:17:00 UTC
Updated2026-09-16 15:18:17 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decode_range_tlbi() helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not overflow PA bits when this is used for S2 invalidation.

Risk And Classification

Primary CVSS: v3.1 9.3 CRITICAL from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary9.3CRITICALCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED9.3CRITICALCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 85bba00425ae0b4b30938ebfdde6d986e5423aff 72bce82c4171bf330919ff1b64dc0a36c254ec7d git Not specified
CNA Linux Linux affected 85bba00425ae0b4b30938ebfdde6d986e5423aff 3feb83918e30f0472e058224b926ebfe8a064fac git Not specified
CNA Linux Linux affected 85bba00425ae0b4b30938ebfdde6d986e5423aff 2393470085649f0b973ecceb26fe8fc71edde0c1 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.18.51 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.5 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/72bce82c4171bf330919ff1b64dc0a36c254ec7d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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