8.8

CVE-2017-12134

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xen ≫ Xen
Citrix ≫ Xenserver Version6.0.2
Citrix ≫ Xenserver Version6.2.0
Citrix ≫ Xenserver Version6.5
Citrix ≫ Xenserver Version7.0
Citrix ≫ Xenserver Version7.1
Citrix ≫ Xenserver Version7.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.5% 0.386
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2 6
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-682 Incorrect Calculation

The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

http://www.debian.org/security/2017/dsa-3981
https://support.citrix.com/article/CTX225941
Patch
Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/4
Third Party Advisory
Mailing List
Mitigation
http://www.securityfocus.com/bid/100343
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1039176
Third Party Advisory
VDB Entry
http://xenbits.xen.org/xsa/advisory-229.html
Patch
Vendor Advisory
Mitigation
https://bugzilla.redhat.com/show_bug.cgi?id=1477656
Patch
Third Party Advisory
Issue Tracking
Mitigation
https://security.gentoo.org/glsa/201801-14
https://usn.ubuntu.com/3655-1/
https://usn.ubuntu.com/3655-2/