[security-announce] Security Update: Linux kernel: CVE-2016-6480

Sona Sarmadi sona.sarmadi at enea.com
Fri Nov 4 14:08:50 CET 2016

		Enea Linux Security Advisory

Product/package: Enea Linux 6.0: (kernel 4.4, 3.12)
Severity: Medium
Architecture: QEMU (x86, ARM, PPC), PPC and ARM
CVE Name: CVE-2016-6480

This security update fixes double fetch in ioctl_send_fib() in
linux-yocto 4.4, linux-qoriq_3.12  and linux-ls1_3.12 kernels,

Race condition in the ioctl_send_fib function in
drivers/scsi/aacraid/commctrl.c in the Linux kernel through 4.7 allows
local users to cause a denial of service (out-of-bounds access or system
crash) by changing a certain size value, aka a "double fetch"

Upstream bug: https://bugzilla.kernel.org/show_bug.cgi?id=116751

Reference to the upstream fix
linux-yocto 4.4:

linux-qoriq_3.12 and linux-ls1_3.12:

Correction for Enea Linux
linux-yocto 4.4:



How to get the latest patches
- If you have already cloned needed repositories, update it to get new
security patches.

cd Enea-Linux-6.0
$ repo sync

- If you have not yet cloned needed repositories, do it as described
below. (Security patches are fetched implicitly when cloning the repos).

Use repo tool to download the source for the Enea Linux 6.0 standard,
follow the steps below:
1. Make sure that the repo tool is installed. If not, follow the
instructions below:

$ curl https://storage.googleapis.com/git-repo-downloads/repo >
~/bin/repo $ chmod a+x ~/bin/repo

The instruction assumes that ~/bin exists and is included in the PATH

2.Use the repo tool to download the source:
$ mkdir Enea-Linux-6.0
$ cd Enea-Linux-6.0
$ repo init -u git://git.enea.com/linux/el_manifests-standard.git
 -b krogoth -m <manifest file> $ repo sync

The parameter <manifest file> depends on the target:
P2041RDB: p2041rdb/default.xml
LS1021a-IoT: ls1021aiot/default.xml
QEMUARM: qemuarm/default.xml
QEMUPCC: qemuppc/default.xml
QEMUX86: qemux86/default.xml

If you have any questions regarding the security patches and security
updates please contact security at enea.com.

For gerneral security refer to Enea Linux Security page:

For the CVEs fixed at Enea Linux releases see CVE list:

For custom packages/releases please use the Support Channel:

Enea Security Team
Sona Sarmadi
Mobile: +46 70 971 4475

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