CVE-2014-9030

Description

The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 2.32% Top 20%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://xenbits.xen.org/xsa/advisory-113.html patch vendor advisory
https://security.gentoo.org/glsa/201504-04 vendor advisory
http://secunia.com/advisories/62672 third party advisory permissions required
https://exchange.xforce.ibmcloud.com/vulnerabilities/98853 vdb entry
http://www.debian.org/security/2015/dsa-3140 third party advisory vendor advisory
http://www.securityfocus.com/bid/71207 third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-9030?
CVE-2014-9030 has been scored as a high severity vulnerability.
How to fix CVE-2014-9030?
To fix CVE-2014-9030, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-9030 being actively exploited in the wild?
It is possible that CVE-2014-9030 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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