CVE-2017-10918 — Improper Input Validation in XEN

CWE-20 — Improper Input Validation8 documents7 sources
Severity
10.0CRITICALNVD
EPSS
1.7%
top 17.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedJul 5
Latest updateMay 17

Description

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitability: 3.9 | Impact: 6.0

Affected Packages3 packages

▶debiandebian/xen< xen 4.8.1-1+deb9u3 (bookworm)
▶Debianxen/xen< 4.8.1-1+deb9u3+3
▶NVDxen/xen4.8.1

🔴Vulnerability Details

2
GHSA
GHSA-wcvx-8554-h4rm: Xen through 4↗2022-05-17
▶
OSV
CVE-2017-10918: Xen through 4↗2017-07-05
▶

📋Vendor Advisories

2
Red Hat
xen: stale P2M mappings due to insufficient error checking (XSA-222)↗2017-06-20
▶
Debian
CVE-2017-10918: xen - Xen through 4.8.x does not validate memory allocations during certain P2M operat...↗2017
▶

📄Research Papers

1
arXiv
Trusted Container Extensions for Container-based Confidential Computing↗2022-05-11
▶

💬Community

2
Bugzilla
CVE-2017-10911 CVE-2017-10912 CVE-2017-10913 CVE-2017-10914 CVE-2017-10915 CVE-2017-10916 CVE-2017-10918 CVE-2017-10919 CVE-2017-10920 CVE-2017-10921 CVE-2017-10922 CVE-2017-10923 xen: various flaws [↗2017-06-20
▶
Bugzilla
CVE-2017-10918 xsa222 xen: stale P2M mappings due to insufficient error checking (XSA-222)↗2017-06-05
▶