CVE-2017-15594 — XEN vulnerability

7 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 78.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedOct 18
Latest updateMay 13

Description

An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 2.0 | Impact: 6.0

Affected Packages3 packages

▶debiandebian/xen< xen 4.8.2+xsa245-0+deb9u1 (bookworm)
▶Debianxen/xen< 4.8.2+xsa245-0+deb9u1+3
▶NVDxen/xen4.9.0

Patches

Patch: xenbits.xen.org ↗Patch: xenbits.xen.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-vqq2-52wh-vqj8: An issue was discovered in Xen through 4↗2022-05-13
▶
OSV
CVE-2017-15594: An issue was discovered in Xen through 4↗2017-10-18
▶

📋Vendor Advisories

2
Red Hat
xen: x86: Incorrect handling of IST settings during CPU hotplug (XSA-244)↗2017-10-12
▶
Debian
CVE-2017-15594: xen - An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users ...↗2017
▶

💬Community

2
Bugzilla
CVE-2017-15588 CVE-2017-15589 CVE-2017-15590 CVE-2017-15591 CVE-2017-15592 CVE-2017-15593 CVE-2017-15594 CVE-2017-15595 xen: various flaws [fedora-all]↗2017-10-12
▶
Bugzilla
CVE-2017-15594 xsa244 xen: x86: Incorrect handling of IST settings during CPU hotplug (XSA-244)↗2017-10-09
▶