Vulnerability CVE-2016-4486

Vulnerability CVE-2016-4486

Published: 2016-05-23

Description:

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

Type:

CWE-200

(Information Exposure)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score	Impact Subscore	Exploitability Subscore
2.1/10	2.9/10	3.9/10

Exploit range	Attack complexity	Authentication
Local	Low	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	None	None

Affected software
Novell -> Suse linux enterprise debuginfo
Novell -> Suse linux enterprise desktop
Novell -> Suse linux enterprise live patching
Novell -> Suse linux enterprise module for public cloud
Novell -> Suse linux enterprise real time extension
Novell -> Suse linux enterprise server
Novell -> Suse linux enterprise software development kit
Novell -> Suse linux enterprise workstation extension
Linux -> Linux kernel
Canonical -> Ubuntu linux

References:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5f8e44741f9f216e33736ea4ec65ca9ac03036e6

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html

http://www.debian.org/security/2016/dsa-3607

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5

http://www.openwall.com/lists/oss-security/2016/05/04/27

http://www.securityfocus.com/bid/90051

http://www.ubuntu.com/usn/USN-2989-1

http://www.ubuntu.com/usn/USN-2996-1

http://www.ubuntu.com/usn/USN-2997-1

http://www.ubuntu.com/usn/USN-2998-1

http://www.ubuntu.com/usn/USN-3000-1

http://www.ubuntu.com/usn/USN-3001-1

http://www.ubuntu.com/usn/USN-3002-1

http://www.ubuntu.com/usn/USN-3003-1

http://www.ubuntu.com/usn/USN-3004-1

http://www.ubuntu.com/usn/USN-3005-1

http://www.ubuntu.com/usn/USN-3006-1

http://www.ubuntu.com/usn/USN-3007-1

https://bugzilla.redhat.com/show_bug.cgi?id=1333316

https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6

https://www.exploit-db.com/exploits/46006/

Vulnerability CVE-2016-4486

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

CWE-200

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

2.1/10

2.9/10

3.9/10

Local

Low

No required

Partial

None

None

Affected software

References: