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CVE

CVE-2026-89914

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

CVE-2026-89914

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

In the Linux kernel, the following vulnerability has been resolved:

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

When the decoderangetlbi() 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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1, https://git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac, https://git.kernel.org/stable/c/72bce82c4171bf330919ff1b64dc0a36c254ec7d, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89914.json, https://nvd.nist.gov/vuln/detail/CVE-2026-89914, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.3

CVSS Score
0
10

Basic Information

Base CVSS
9.3
EPSS Probability
0.00194%
EPSS Percentile
0.08315%
Introduced Version
85bba00425ae0b4b30938ebfdde6d986e5423aff,6.16.0,6.19.0,0
Fix Available
2393470085649f0b973ecceb26fe8fc71edde0c1,6.18.51,7.2.5

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