EUVD-2022-45402

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType

Unintended memory sharing on Intel systems allows guest access to shared xAPIC page undermining isolation

Reporter	Title	Published	Views	Family All 48
Circl	CVE-2022-42327	1 Nov 202215:14	–	circl
CNNVD	Xen 安全漏洞	1 Nov 202200:00	–	cnnvd
CVE	CVE-2022-42327	1 Nov 202200:00	–	cve
Cvelist	CVE-2022-42327	1 Nov 202200:00	–	cvelist
Debian CVE	CVE-2022-42327	1 Nov 202200:00	–	debiancve
Fedora	[SECURITY] Fedora 37 Update: xen-4.16.2-4.fc37	24 Nov 202201:26	–	fedora
Fedora	[SECURITY] Fedora 36 Update: xen-4.16.2-3.fc36	9 Nov 202211:22	–	fedora
Tenable Nessus	Fedora 36 : xen (2022-07438e12df)	23 Dec 202200:00	–	nessus
Tenable Nessus	Fedora 37 : xen (2022-9f51d13fa3)	14 Nov 202400:00	–	nessus
Tenable Nessus	GLSA-202402-07 : Xen: Multiple Vulnerabilities	4 Feb 202400:00	–	nessus

[
  {
    "enisaIdVendor": [
      {
        "id": "acec624f-760d-3df9-96fa-0485dcb47380",
        "vendor": {
          "name": "Xen"
        }
      }
    ]
  }
]

Source	Link
suse	www.suse.com/security/cve/CVE-2022-42327.html
xenbits	www.xenbits.xenproject.org/xsa/advisory-412.txt
xenbits	www.xenbits.xen.org/xsa/advisory-412.html
openwall	www.openwall.com/lists/oss-security/2022/11/01/3
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
security	www.security.gentoo.org/glsa/202402-07
nvd	www.nvd.nist.gov/vuln/detail/CVE-2022-42327
lists	www.lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ
lists	www.lists.fedoraproject.org/archives/list/[email protected]/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ

03 Oct 2025 20:07Current

6.8Medium risk

Vulners AI Score6.8

CVSS 3.17.1

EPSS0.00015

SSVC