kernel: Information leak in tipc_nl_compat_link_dump
Published Jun 27, 2016
5.5
MEDIUMCVSS 3.0
EPSS 0.51%
Description
The tipc_nl_compat_link_dump function in net/tipc/netlink_compat.c in the Linux kernel through 4.6.3 does not properly copy a certain string, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.
Affected products
No data.
- ≤ 4.6.3
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect Red Hat Enterprise Linux 5,6 or 7 kernels as it does not contain the code that has introduced the flaw.
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:H/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00507) | 41.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00506) | 39.00th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00038) | 8.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (19)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2016/dsa-3607 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/06/03/4 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/91334 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-3049-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3050-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3051-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3052-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3053-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3054-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3055-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3056-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3057-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-5243 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1343335 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-5243
- https://patchwork.ozlabs.org/patch/629100/ x_refsource_CONFIRMPatch
- https://www.cve.org/CVERecord?id=CVE-2016-5243
Change history (0)
No recorded changes yet.