CVE-2026-98466

high

Description

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.

References

https://git.kernel.org/stable/c/e5dd2a91a7ae3a276e6d79806127e923936e241b

https://git.kernel.org/stable/c/3a8c562892b96f35bba1e00d5e455a15963bbb92

https://git.kernel.org/stable/c/22df195bff84300a3f04813d6148765c77ac565a

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-103706

Details

Source: Mitre, NVD

Published: 2026-10-18

Updated: 2026-10-19

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00198