6.5

CVE-2019-17344

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xen ≫ Xen Version <= 4.11.2
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.35% 0.267
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2 4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
nvd@nist.gov 4.9 3.9 6.9
AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-662 Improper Synchronization

The product utilizes multiple threads, processes, components, or systems to allow temporary access to a shared resource that can only be exclusive to one process at a time, but it does not properly synchronize these actions, which might cause simultaneous accesses of this resource by multiple threads or processes.

https://seclists.org/bugtraq/2020/Jan/21
Third Party Advisory
Mailing List
https://www.debian.org/security/2020/dsa-4602
Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/25/3
Third Party Advisory
Mailing List
http://xenbits.xen.org/xsa/advisory-290.html
Vendor Advisory
https://xenbits.xen.org/xsa/advisory-290.html
Patch
Vendor Advisory
Mitigation