CVE-2016-5242 — Vulnetix

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CVE-2016-5242 PUBLISHED

The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.

EPSS 0.14% · 33.5th percentile

Risk Scores

EPSS Score

0.14%

33.5th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	xen	0, 4.5.1-0ubuntu1, 4.5.1-0ubuntu2
Ubuntu:14.04:LTS	xen	4.4.0-0ubuntu3, 4.4.0-0ubuntu4, 4.4.0-0ubuntu5

Timeline

Jun 7, 2016 CVE Published
Feb 4, 2022 EPSS Score
Mar 28, 2022 EPSS Score
May 19, 2022 EPSS Score
Jul 10, 2022 EPSS Score
Sep 1, 2022 EPSS Score
Oct 23, 2022 EPSS Score
Dec 14, 2022 EPSS Score
Feb 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Mar 28, 2023 EPSS Score
May 19, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2016-5242 third-party-advisory
http://xenbits.xen.org/xsa/advisory-181.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2016-5242 third-party-advisory

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