CVE-2016-4486
low
CVSS v3
3.3
CVSS v2
2.1
VIR risk
3.3
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.
Predictions
Exploit likelihood
34%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-4486
Vendor advisory: cve@mitre.org — https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-4486.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | trixie | fixed | 4.5.4-1 |
| debian | bookworm | fixed | 4.5.4-1 |
| debian | bullseye | fixed | 4.5.4-1 |
| debian | forky | fixed | 4.5.4-1 |
| debian | sid | fixed | 4.5.4-1 |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.10 | affected | |
| ubuntu | 16.04 | affected | |
| suse | 11.0 | affected | |
| suse | 12.0 | affected | |
| linux-kernel | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| novell | suse_linux_enterprise_software_development_kit | 11.0 | |
| novell | suse_linux_enterprise_software_development_kit | 12.0 | |
References
- https://www.suse.com/security/cve/CVE-2016-4486.html
- 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
CWEs
CWE-200
Verify integrity in audit chain (admin only). AS-IS.