Vulnerability details
CVE-2026-98466
Linux Linux
KVM: arm64: Transfer the hyp stack pages out of the host stage-2
CVSS 3.1
8.2High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.2High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 5.19 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1a919b17ef012ca0572bae759c27e5ea02bfb47f ≤ v < e5dd2a91a7ae3a276e6d79806127e923936e241b | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1a919b17ef012ca0572bae759c27e5ea02bfb47f ≤ v < 22df195bff84300a3f04813d6148765c77ac565a | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 1a919b17ef012ca0572bae759c27e5ea02bfb47f ≤ v < 3a8c562892b96f35bba1e00d5e455a15963bbb92 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-10-18
- Last updated
- 2026-10-24
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.17%
Probability of exploitation in 30 days
6.8%
Percentile (among all CVEs)
Weaknesses (CWE)
- —