Improper input validation in Xen
CVE-2014-2986
The vgic_distr_mmio_write function in the virtual guest interrupt controller (GIC) distributor (arch/arm/vgic.c) in Xen 4.4.x, when running on an ARM system, allows local guest users to cause a denial of service (NULL pointer dereference and host crash) via unspecified vectors.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.5 (Medium). Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.006 (48.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Xen — versions 4.4.0
Weakness classification (CWE)
References
- www.securitytracker.com/id/1030146 (vdb-entry)
- www.openwall.com/lists/oss-security/2014/04/23/3 (mailing-list)
- www.openwall.com/lists/oss-security/2014/04/23/5 (mailing-list)
- xenbits.xen.org/xsa/advisory-94.html (Patch, Vendor Advisory)
- www.securityfocus.com/bid/67047 (vdb-entry)
- www.openwall.com/lists/oss-security/2014/04/23/4 (mailing-list)