High 8.2Published Oct 18, 2026

CVE-2026-98466KVM: arm64: Transfer the hyp stack pages out of the host stage-2

Updated under an hour ago (Oct 26, 2026, 9:40 PM ET)

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EPSS puts the chance of exploitation in the next 30 days at 0.20%, higher than 9% of scored CVEs.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fix_host_ownership() walks only the linear-map alias of each memblock region, and the per-CPU hyp stack, mapped in the private VA range for its guard page, has none. Walk each stack's VA range with the same walker.

CVSS: 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:H/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): 0.20% (percentile 9)
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 24, 2026
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1a919b17ef012ca0572bae759c27e5ea02bfb47f before e5dd2a91a7ae3a276e6d79806127e923936e241b; from 1a919b17ef012ca0572bae759c27e5ea02bfb47f before 22df195bff84300a3f04813d6148765c77ac565a; from 1a919b17ef012ca0572bae759c27e5ea02bfb47f before 3a8c562892b96f35bba1e00d5e455a15963bbb92	CNA record

References

References

https://git.kernel.org/stable/c/e5dd2a91a7ae3a276e6d79806127e923936e241b
https://git.kernel.org/stable/c/22df195bff84300a3f04813d6148765c77ac565a
https://git.kernel.org/stable/c/3a8c562892b96f35bba1e00d5e455a15963bbb92

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.