Vulnerability in Xen
CVE-2014-5146
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.7 (Medium). Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (34.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201504-04 (vendor-advisory)
- xenbits.xen.org/xsa/advisory-97.html (Patch, Vendor Advisory)
- www.securityfocus.com/bid/69198 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html (vendor-advisory)
- www.securitytracker.com/id/1030723 (VDB Entry, Third Party Advisory, vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/95234 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html (vendor-advisory, Third Party Advisory)