CVE-2012-6031
4.7 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:N/I:N/A:C
8.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
28.1%
The do_tmem_get function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (CPU hang and host crash) via unspecified vectors related to a spinlock being held in the “bad_copy error path.” NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
Affected configurations
References
lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
osvdb.org/85199
secunia.com/advisories/50472
secunia.com/advisories/55082
security.gentoo.org/glsa/glsa-201309-24.xml
wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
www.openwall.com/lists/oss-security/2012/09/05/8
www.securityfocus.com/bid/55410
www.securitytracker.com/id?1027482
exchange.xforce.ibmcloud.com/vulnerabilities/78268
security.gentoo.org/glsa/201604-03
Related
4.7 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:N/I:N/A:C
8.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
28.1%