CVE-2026-98466

HIGH
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-10-18 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Local
AC: Low
PR: High
UI: None
S: Changed
C: High
I: High
A: 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.

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

8.2 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.17%
Raw Score 0.001740
Percentile 6.9%
Date 2026-11-03

EPSS Trend

2026-11-03
0.00174
2026-11-02
0.00168
2026-11-01
0.00168
2026-10-31
0.00168
2026-10-30
0.00168
2026-10-29
0.00168
2026-10-28
0.00168

Intelligence Sources

nvd ref →