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CVE-2019-18420

🗓️ 31 Oct 2019 00:00:00Reported by ubuntu.comType

An issue in Xen 4.12.x allows x86 PV guest OS users to cause a Denial of Service via a VCPUOP_initialise hypercal

Reporter	Title	Published	Views	Family All 56
Tenable Nessus	Xen Project VCPUOP_initialise DoS (XSA-296)	8 Nov 201900:00	–	nessus
Tenable Nessus	openSUSE Security Update : xen (openSUSE-2019-2506)	15 Nov 201900:00	–	nessus
Tenable Nessus	Fedora 29 : xen (2019-865bb16900)	18 Nov 201900:00	–	nessus
Tenable Nessus	SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2019:2960-1)	13 Nov 201900:00	–	nessus
Tenable Nessus	SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2019:2962-1)	13 Nov 201900:00	–	nessus
Tenable Nessus	Fedora 31 : xen (2019-376ec5c107)	20 Nov 201900:00	–	nessus
Tenable Nessus	SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2019:2961-1)	13 Nov 201900:00	–	nessus
Tenable Nessus	Fedora 30 : xen (2019-cbb732f760)	3 Dec 201900:00	–	nessus
Tenable Nessus	openSUSE Security Update : xen (openSUSE-2019-2508)	15 Nov 201900:00	–	nessus
Tenable Nessus	SUSE SLES12 Security Update : xen (SUSE-SU-2020:0334-1)	7 Feb 202000:00	–	nessus

Source	Link
xenbits	www.xenbits.xen.org/xsa/advisory-296.html
openwall	www.openwall.com/lists/oss-security/2019/10/31/1
xenbits	www.xenbits.xen.org/xsa/advisory-296.html
cve	www.cve.org/CVERecord
nvd	www.nvd.nist.gov/vuln/detail/CVE-2019-18420
launchpad	www.launchpad.net/bugs/cve/CVE-2019-18420
security-tracker	www.security-tracker.debian.org/tracker/CVE-2019-18420

OS	OS Version	Architecture	Package	Package Version	Filename
ubuntu	18.04	noarch	xen	any	UNKNOWN
ubuntu	16.04	noarch	xen	any	UNKNOWN

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31 Oct 2019 00:00Current

2.3Low risk

Vulners AI Score2.3

CVSS26.3

CVSS36.5

EPSS0.011