CVE-2019-17342
HIGHXen < 4.11.2 - Denial of Service and Privilege Escalation via XENMEM_exchange Race Condition
Title source: llmDescription
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging a race condition that arose when XENMEM_exchange was introduced.
References (5)
Core 5
Core References
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-287.html
Vendor Advisory x_refsource_misc
https://xenbits.xen.org/xsa/advisory-287.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2019/10/25/2
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4602
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2020/Jan/21
Scores
CVSS v3
7.0
EPSS
0.0011
EPSS Percentile
29.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
Status
published
Products (3)
debian/debian_linux
9.0
debian/debian_linux
10.0
xen/xen
< 4.11.2
Published
Oct 08, 2019
Tracked Since
Feb 18, 2026