Vulnerability in Xen
CVE-2014-9066
Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065.
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 (31.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% 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
- xenbits.xen.org/xsa/advisory-114.html (Patch, Vendor Advisory)
- security.gentoo.org/glsa/201504-04 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html (vendor-advisory)
- www.securityfocus.com/bid/71546 (vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2014/12/08/4 (mailing-list)