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…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.7 MEDIUMAV:L/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 0.40% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-17
- Affected
- xen/xen · opensuse/opensuse
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://www.openwall.com/lists/oss-security/2014/12/08/4
- http://www.securityfocus.com/bid/71546
- http://xenbits.xen.org/xsa/advisory-114.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201504-04
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://www.openwall.com/lists/oss-security/2014/12/08/4
- http://www.securityfocus.com/bid/71546
- http://xenbits.xen.org/xsa/advisory-114.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201504-04
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.