CVE-2026-89914KVM: arm64: Sign-extend VA for range-based TLBI invalidation
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.3 CRITICAL (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 85bba00425ae0b4b30938ebfdde6d986e5423aff builds before 72bce82c4171bf330919ff1b64dc0a36c254ec7d; 85bba00425ae0b4b30938ebfdde6d986e5423aff builds before 3feb83918e30f0472e058224b926ebfe8a064fac; from 85bba00425ae0b4b30938ebfdde6d986e5423aff before 2393470085649f0b973ecceb26fe8fc71edde0c1 | CNA record |
References
- https://git.kernel.org/stable/c/72bce82c4171bf330919ff1b64dc0a36c254ec7d
- https://git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac
- https://git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.