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CVE-2016-3157

CVSS v3.0 7.8 (High)
78% Progress
CVSS v2.0 7.2 (High)
72% Progress
EPSS 0.06 % (28th)
0.06% Progress
Affected Products 2
Advisories 22
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.

Weaknesses
CWE-264
Permissions, Privileges, and Access Controls
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2016-04-12 16:59:02
(8 years ago)
Updated Date
2016-12-03 03:26:39
(7 years ago)

Affected Products

Canonical

Xen

Configuration #1

    CPE23 From Up To
  Xen 4.0.0 cpe:2.3:o:xen:xen:4.0.0

Configuration #2

    CPE23 From Up To
  Canonical Ubuntu Linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts