High severity · published Oct 8, 2019
CVE-2019-17341
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 page-writability race condition during…
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
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 page-writability race condition during addition of a passed-through PCI device.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
XE
Xen · Xen
through 4.11.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-17341
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-17341
Mailing List
http://www.openwall.com/lists/oss-security/2019/10/25/6
Patch
http://xenbits.xen.org/xsa/advisory-285.html
Mailing List
https://seclists.org/bugtraq/2020/Jan/21
Third Party Advisory
https://www.debian.org/security/2020/dsa-4602
Vendor Advisory
https://xenbits.xen.org/xsa/advisory-285.html
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