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Cloud FoundryCFOUNDRY:45D171A4CABD3B2EED5D1C76F5C7F3F2

HistoryMar 31, 2017 - 12:00 a.m.

USN-3249-2: Linux kernel (Xenial HWE) vulnerability | Cloud Foundry

2017-03-3100:00:00

Cloud Foundry

www.cloudfoundry.org

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

42.7%

JSON

Severity

High

Vendor

Canonical Ubuntu

Versions Affected

Canonical Ubuntu 14.04

Description

It was discovered that the xfrm framework for transforming packets in the Linux kernel did not properly validate data received from user space. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code with administrative privileges.

Affected Cloud Foundry Products and Versions

Severity is high unless otherwise noted.

Cloud Foundry BOSH stemcells are vulnerable, including:
- 3151.x versions prior to 3151.14
- 3233.x versions prior to 3233.16
- 3263.x versions prior to 3263.22
- 3312.x versions prior to 3312.22
- 3363.x versions prior to 3363.14
- All other stemcells not listed.

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

The Cloud Foundry project recommends upgrading the following BOSH stemcells:
- Upgrade 3151.x versions to 3151.14 or later
- Upgrade 3233.x versions to 3233.16 or later
- Upgrade 3263.x versions to 3263.22 or later
- Upgrade 3312.x versions to 3312.22 or later
- Upgrade 3363.x versions to 3363.14 or later
- All other stemcells should be upgraded to the latest version.