CVE-2012-5515

Severity

47%

Complexity

34%

Confidentiality

115%

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.

CVSS 2.0 Base Score 4.7. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:C).

Overview

First reported 12 years ago

2012-12-13 11:53:00

Last updated 7 years ago

2017-08-29 01:32:00

Affected Software

Xen Xen 3.0.2

3.0.2

Xen Xen 3.0.3

3.0.3

Xen Xen 3.0.4

3.0.4

Xen Xen 3.1.

3.1.3

Xen Xen 3.1.4

3.1.4

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

References

SUSE-SU-2012:1606

SUSE-SU-2012:1615

openSUSE-SU-2012:1685

openSUSE-SU-2012:1687

openSUSE-SU-2013:0133

SUSE-SU-2014:0446

SUSE-SU-2014:0470

openSUSE-SU-2013:0636

openSUSE-SU-2013:0637

[Xen-announce] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values

Vendor Advisory

55082

GLSA-201309-24

http://support.citrix.com/article/CTX135777

DSA-2582

[oss-security] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values

88127

56798

xen-extentorder-dos(80479)

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