Security Bulletin: IBM Flex System Manager (FSM) is affected by a kernel vulnerability

Summary

A security vulnerability has been identified in the IBM FSM kernel. This bulletin addresses this issue.

Vulnerability Details

CVEID: CVE-2016-5195**
DESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition when handling the copy-on-write (COW) breakage of private read-only memory mappings by the memory subsystem. An attacker could exploit this vulnerability to gain write access to read-only memory mappings and elevated privileges on the system. Note: This vulnerability is known as the Dirty COW bug.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118170 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Flex System Manager 1.3.4.0
Flex System Manager 1.3.3.0
Flex System Manager 1.3.2.1
Flex System Manager 1.3.2.0

Remediation/Fixes

IBM recommends updating the FSM using the instructions referenced in this table.

Product |

VRMF |

APAR

|

Remediation
—|—|—|—
Flex System Manager|

1.3.4.0 |

IT13722

| Install fsmfix1.3.4.0_IT13720_IT13721_IT13722_IT18327_IT18400
Flex System Manager|

1.3.3.0 |

IT13722

| Install fsmfix1.3.3.0_IT13720_IT13721_IT13722_IT18327_IT18400
Flex System Manager|

1.3.2.1
1.3.2.0 |

IT13722

| Install fsmfix1.3.2.0_IT13720_IT13721_IT13722_IT18327_IT18400

For all VRMF not listed in this table, IBM recommends upgrading to a fixed and supported version/release of the product.

For a complete list of FSM security bulletins refer to this technote: http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex--NULL--E

Workarounds and Mitigations

None