Vulnerability Details : CVE-2013-1935
A certain Red Hat patch to the KVM subsystem in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly implement the PV EOI feature, which allows guest OS users to cause a denial of service (host OS crash) by leveraging a time window during which interrupts are disabled but copy_to_user function calls are possible.
Vulnerability category: Denial of service
Products affected by CVE-2013-1935
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-1935
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-1935
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.7
|
MEDIUM | AV:A/AC:M/Au:N/C:N/I:N/A:C |
5.5
|
6.9
|
NIST |
CWE ids for CVE-2013-1935
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-1935
-
https://rhn.redhat.com/errata/RHSA-2013-0907.html
RHSA-2013:0907 - Security Advisory - Red Hat Customer Portal
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https://bugzilla.redhat.com/show_bug.cgi?id=949981
949981 – (CVE-2013-1935) CVE-2013-1935 kernel: kvm: pv_eoi guest updates with interrupts disabled
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http://rhn.redhat.com/errata/RHSA-2013-0911.html
RHSA-2013:0911 - Security Advisory - Red Hat Customer PortalVendor Advisory
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