Buffer overflow in Citrix Xenserver
CVE-2017-12137
arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
Vulnerability class: Buffer Overflow
EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Citrix Xenserver — versions 6.0.2, 6.2.0, 6.5
- Xen
- Debian Debian_linux — versions 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory, Mitigation)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12137?
- CVE-2017-12137 is a high-severity vulnerability in Citrix Xenserver, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2017-08-24.
- How severe is CVE-2017-12137?
- High severity. CVSS v3 base score is 8.8 out of 10.