Home/CVE/An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging
CVE

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

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.

MEDIUM · CVSS 6.5 EPSS 0.00148
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-662Improper Synchronization
▤

Affected Products & Versions

2
xen<= 4.11.2
debian linuxall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Oct 2019 · 01:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2020:0388-1
suse-csafSUSE-SU-2019:14201-1
suse-csafSUSE-SU-2019:2783-1
suse-csafsuse-ru-2019_2767-1
suse-csafSUSE-SU-2019:14199-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2019/10/25/3Mailing ListThird Party Advisory
http://xenbits.xen.org/xsa/advisory-290.htmlVendor Advisory
https://seclists.org/bugtraq/2020/Jan/21Mailing ListThird Party Advisory
https://www.debian.org/security/2020/dsa-4602Third Party Advisory
https://xenbits.xen.org/xsa/advisory-290.htmlMitigationPatchVendor Advisory
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