kernel: Information leak in rtnetlink
Published May 23, 2016
3.3
LOWCVSS 3.0
EPSS 1.71%
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
No data.
Configuration 1
- 11.0
- 12.0
- 12.0
- 11.0
- 12.0
- 12.0
- 12.0
- 12.0
- 12.0
- 11.0
- 11.0
- 12.0
- 12.0
- 12.0
- 12.0
Configuration 2
- 12.04
- 14.04
- 15.10
- 16.04
Configuration 3
- ≤ 4.5.4
No data.
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-rt
Will not fix
Red Hat Enterprise MRG 2
realtime-kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.71% (0.01710) | 76.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.71% (0.01710) | 74.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00277) | 49.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 12.38th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.04% (0.00044) | 10.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.53% (0.03534) | 84.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.53% (0.03534) | 83.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.53% (0.03534) | 66.49th | v2 (v2022.01.01) |
References (32)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5f8e44741f9f216e33736ea4ec65ca9ac03036e6 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2016/dsa-3607 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2016/05/04/27 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/90051 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2989-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2996-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2997-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2998-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3000-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3001-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3002-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3003-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3004-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3005-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3006-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3007-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-4486 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1333316 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-4486
- https://www.cve.org/CVERecord?id=CVE-2016-4486
- https://www.exploit-db.com/exploits/46006/ exploitx_refsource_EXPLOIT-DB
Change history (0)
No recorded changes yet.