CVE-2016-9385 — Improper Input Validation in Citrix Xenserver

CWE-20 — Improper Input Validation8 documents7 sources
Severity
6.0MEDIUMNVD
EPSS
0.1%
top 71.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENCitrix Xenserver
Timeline
PublishedJan 23
Latest updateMay 17

Description

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HExploitability: 1.5 | Impact: 4.0

Affected Packages3 packages

▶Debianxen/xen< 4.8.0-1+3
▶NVDxen/xen16 versions+15
▶NVDcitrix/xenserver4 versions+3

Patches

Patch: xenbits.xen.org ↗Patch: support.citrix.com ↗Patch: xenbits.xen.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-3fqp-fm32-6g9x: The x86 segment base write emulation functionality in Xen 4↗2022-05-17
▶
OSV
CVE-2016-9385: The x86 segment base write emulation functionality in Xen 4↗2017-01-23
▶
CVEList
CVE-2016-9385: The x86 segment base write emulation functionality in Xen 4↗2017-01-23
▶

📋Vendor Advisories

2
Red Hat
xen: x86 segment base write emulation lacking canonical address checks (XSA-193)↗2016-11-22
▶
Debian
CVE-2016-9385: xen - The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x al...↗2016
▶

💬Community

2
Bugzilla
CVE-2016-9377 CVE-2016-9378 CVE-2016-9379 CVE-2016-9380 CVE-2016-9381 CVE-2016-9382 CVE-2016-9383 CVE-2016-9384 CVE-2016-9385 CVE-2016-9386 xen: various flaws [fedora-all]↗2016-11-22
▶
Bugzilla
CVE-2016-9385 xsa193 xen: x86 segment base write emulation lacking canonical address checks (XSA-193)↗2016-11-08
▶
CVE-2016-9385 — Improper Input Validation in Citrix | cvebase