CRITICAL 9.3 NVD

CVE-2026-89914

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decode_range_tlbi()

In 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.

References

Published: 2026-09-16 · Source: NVD · Feed updated: 2026-09-16

This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-09-16 via NVD.

Risk Timeline

CVE Disclosed2026-09-16 · -1 days ago

Remediation Resources

Analysis & PoC

git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1

Analysis & PoC

git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac

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