CVE-2026-98466

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-98466

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98466.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-98466

Downstream

Published

2026-10-18T15:15:18Z

Modified

2026-10-20T02:30:35Z

Summary

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

Details

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.

Database specific

{
    "cna_assigner":  "Linux",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98466.json"
}

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

1a919b17ef012ca0572bae759c27e5ea02bfb47f

Fixed

e5dd2a91a7ae3a276e6d79806127e923936e241b

Fixed

22df195bff84300a3f04813d6148765c77ac565a

Fixed

3a8c562892b96f35bba1e00d5e455a15963bbb92

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98466.json"

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

5.19.0

Fixed

6.18.55

Type: ECOSYSTEM
Events: Introduced

6.19.0

Fixed

7.2.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98466.json"