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CVE-2019-17347

Good to know:

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Date: October 7, 2019

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 because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).

Language: C

Severity Score

Related Resources (10)

https://security.alpinelinux.org/vuln/CVE-2019-17347
https://seclists.org/bugtraq/2020/Jan/21
http://xenbits.xen.org/xsa/advisory-293.html
https://www.debian.org/security/2020/dsa-4602
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-17347
https://nvd.nist.gov/vuln/detail/CVE-2019-17347
https://xenbits.xen.org/xsa/advisory-293.html
https://security-tracker.debian.org/tracker/CVE-2019-17347
http://www.openwall.com/lists/oss-security/2019/10/25/8
https://www.mend.io/vulnerability-database/CVE-2019-17347

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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