The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service...

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Debian:12 xen

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]

Debian:13 xen

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]

Debian:14 xen

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]

参照URL

advisory security-tracker.debian.org