CVE-2016-4485

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-23 · updated 2026-06-17
Weakness: CWE-200

Description

The llc_cmsg_rcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory by reading a message.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
Linux kernel: through 4.5.4
Novell Suse Linux Enterprise Debuginfo: 11-sp4
Novell Suse Linux Enterprise Server: 11-extra, 11-sp4
Novell Suse Linux Enterprise Software Development Kit: 11.0-sp4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8670c09f37bdf2847cc44f36511a53afc6161fd
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/2016-08/msg00007.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/2016/05/04/26
http://www.securityfocus.com/bid/90015
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

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