CVE-2015-2151

Severity

72%

Complexity

39%

Confidentiality

165%

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

First reported 9 years ago

2015-03-12 14:59:00

Last updated 6 years ago

2018-10-30 16:26:00

Affected Software

Fedora 20

20

Fedora 21

21

Fedora 22

22

Debian Linux 7.0

7.0

Xen Xen 3.2.0

3.2.0

Xen Xen 3.2.1

3.2.1

Xen Xen 3.2.2

3.2.2

Xen Xen 3.2.3

3.2.3

Xen 3.3.0

3.3.0

Xen 3.3.1

3.3.1

Xen 3.3.2

3.3.2

Xen 3.4.0

3.4.0

Xen 3.4.1

3.4.1

Xen 3.4.2

3.4.2

Xen 3.4.3

3.4.3

Xen 3.4.4

3.4.4

Xen 4.0.0

4.0.0

Xen 4.0.1

4.0.1

Xen 4.0.2

4.0.2

Xen 4.0.3

4.0.3

Xen 4.0.4

4.0.4

Xen 4.1.0

4.1.0

Xen 4.1.1

4.1.1

Xen 4.1.2

4.1.2

Xen 4.1.3

4.1.3

Xen 4.1.4

4.1.4

Xen 4.1.5

4.1.5

Xen 4.1.6.1

4.1.6.1

Xen 4.2.0

4.2.0

Xen 4.2.1

4.2.1

Xen 4.2.2

4.2.2

Xen 4.2.3

4.2.3

Xen Xen 4.3.0

4.3.0

Xen 4.3.1

4.3.1

Xen Xen 4.4.0

4.4.0

Xen 4.4.0 release candidate 1

4.4.0

Xen Xen 4.5.0

4.5.0

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761

FEDORA-2015-3935

Third Party Advisory

FEDORA-2015-3721

Third Party Advisory

FEDORA-2015-3944

Third Party Advisory

openSUSE-SU-2015:0732

http://support.citrix.com/article/CTX200484

DSA-3181

Third Party Advisory

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

73015

1031806

Third Party Advisory, VDB Entry

1031903

Third Party Advisory, VDB Entry

http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm

http://xenbits.xen.org/xsa/advisory-123.html

Patch, Vendor Advisory

GLSA-201604-03

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