What’s Vulnerable › Vulnerabilities
CVE-2016-4486
- Severity: low (CVSS 3.3 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2016-05-23 · updated 2026-06-17
- Weakness: CWE-200
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.
Affected products
- Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
- Linux kernel: through 4.5.4
- Novell Suse Linux Enterprise Debuginfo: 11.0-sp4
- Novell Suse Linux Enterprise Desktop: 12.0, 12.0-sp1
- Novell Suse Linux Enterprise Live Patching: 12.0
- Novell Suse Linux Enterprise Module For Public Cloud: 12.0
- Novell Suse Linux Enterprise Real Time Extension: 12.0-sp1
- Novell Suse Linux Enterprise Server: 11.0-extra, 11.0-sp4, 12.0, 12.0-sp1
- Novell Suse Linux Enterprise Software Development Kit: 11.0-sp4, 12.0, 12.0-sp1
- Novell Suse Linux Enterprise Workstation Extension: 12.0, 12.0-sp1
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
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