Critical severity · published Sep 16, 2026
CVE-2026-89914
KVM: arm64: Sign-extend VA for range-based TLBI invalidation
9.3
CVSS
0.2%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
85bba00425ae0b4b30938ebfdde6d986e5423aff before 72bce82c4171bf330919ff1b64dc0a36c254ec7d; 85bba00425ae0b4b30938ebfdde6d986e5423aff before 3feb83918e30f0472e058224b926ebfe8a064fac; 85bba00425ae0b4b30938ebfdde6d986e5423aff before 2393470085649f0b973ecceb26fe8fc71edde0c1; 6.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89914
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89914
git.kernel.org
https://git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1
git.kernel.org
https://git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac
git.kernel.org
https://git.kernel.org/stable/c/72bce82c4171bf330919ff1b64dc0a36c254ec7d
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