Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.
Published 2013-11-02 18:55:03
Updated 2018-12-13 17:49:41
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2013-4494

Probability of exploitation activity in the next 30 days: 0.06%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 25 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2013-4494

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.2
MEDIUM AV:A/AC:M/Au:S/C:N/I:N/A:C
4.4
6.9
NIST

CWE ids for CVE-2013-4494

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-4494

Products affected by CVE-2013-4494

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