USN-3249-2: Linux kernel (Xenial HWE) vulnerability
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.
