Buffer overflow in Xen

CVE-2013-1918

Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table traversal."

Vulnerability class: Buffer Overflow

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 (27.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2013-1918: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Xen — versions 4.1.0, 4.1.1, 4.1.2

Weakness classification (CWE)

References