CVE-2026-98466
KVM: arm64: Transfer the hyp stack pages out of the host stage-2
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.18.55, 7.2.9
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 1a919b17ef012ca0572bae759c27e5ea02bfb47f · fixed in e5dd2a91a7ae3a276e6d79806127e923936e241b; From 1a919b17ef012ca0572bae759c27e5ea02bfb47f · fixed in 22df195bff84300a3f04813d6148765c77ac565a; From 1a919b17ef012ca0572bae759c27e5ea02bfb47f · fixed in 3a8c562892b96f35bba1e00d5e455a15963bbb92
- Linux Linux
5.19
- KernelLinux
From 5.19.0 · fixed in 6.18.55; From 6.19.0 · fixed in 7.2.9