KVM: arm64: Transfer the hyp stack pages out of the host stage-2
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.
CVE-2026-98466
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98466
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "1a919b17ef012ca0572bae759c27e5ea02bfb47f",
"lessThan": "e5dd2a91a7ae3a276e6d79806127e923936e241b",
"versionType": "git"
},
{
"status": "affected",
"version": "1a919b17ef012ca0572bae759c27e5ea02bfb47f",
"lessThan": "22df195bff84300a3f04813d6148765c77ac565a",
"versionType": "git"
},
{
"status": "affected",
"version": "1a919b17ef012ca0572bae759c27e5ea02bfb47f",
"lessThan": "3a8c562892b96f35bba1e00d5e455a15963bbb92",
"versionType": "git"
}
],
"programFiles": [
"arch/arm64/kvm/hyp/nvhe/setup.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.19"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.19",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.55",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.9",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"arch/arm64/kvm/hyp/nvhe/setup.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98466
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #55597 · Revision 1
- Added to Heist Feed
- Publisher date