CVE-2017-10923 — Improper Input Validation in XEN

CWE-20 — Improper Input Validation7 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.8%
top 26.30%
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 a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/xen< xen 4.8.1-1+deb9u3 (bookworm)
▶Debianxen/xen< 4.8.1-1+deb9u3+3
▶NVDxen/xen8 versions+7

🔴Vulnerability Details

2
GHSA
GHSA-83mw-xpgw-63qr: Xen through 4↗2022-05-17
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OSV
CVE-2017-10923: Xen through 4↗2017-07-05
▶

📋Vendor Advisories

2
Red Hat
xen: arm: vgic: Out-of-bound access when sending SGIs (XSA-225)↗2017-06-20
▶
Debian
CVE-2017-10923: xen - Xen through 4.8.x does not validate a vCPU array index upon the sending of an SG...↗2017
▶

💬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-2017-10923 xsa225 xen: arm: vgic: Out-of-bound access when sending SGIs (XSA-225)↗2017-06-07
▶