Improper input validation in Xen
CVE-2014-8594
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.4 (Medium). Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.022 (82.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Xen — versions 4.0.0, 4.0.1, 4.0.2
- Debian Linux — versions 7.0
- openSUSE — versions 13.1, 13.2
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201504-04 (vendor-advisory)
- secunia.com/advisories/62672 (Permissions Required, third-party-advisory)
- xenbits.xen.org/xsa/advisory-109.html (Patch, Vendor Advisory)
- www.securityfocus.com/bid/71149 (vdb-entry)
- www.debian.org/security/2015/dsa-3140 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html (vendor-advisory, Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/98767 (vdb-entry)