CVE-2015-4164 — Vulnetix

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CVE-2015-4164 PUBLISHED

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

EPSS 0.07% · 22.1th percentile

Risk Scores

EPSS Score

0.07%

22.1th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	xen	0, 4.3.0-1ubuntu1, 4.3.0-1ubuntu2

Timeline

Jun 12, 2015 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-2015-4164 third-party-advisory
http://xenbits.xen.org/xsa/advisory-136.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2015-4164 third-party-advisory

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