What’s Vulnerable › Vulnerabilities

CVE-2014-5146

• Severity: medium (CVSS 4.7 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-08-22 · updated 2026-06-17
• Weakness: CWE-399

Description

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

Affected products

• Opensuse: 13.1, 13.2
• xen: 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1 (+1)

References

• http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
• http://www.securityfocus.com/bid/69198
• http://www.securitytracker.com/id/1030723
• http://xenbits.xen.org/xsa/advisory-97.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
• https://security.gentoo.org/glsa/201504-04
• http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html

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