kernel: Information leak in llc module
Published May 23, 2016
7.5
HIGHCVSS 3.0
EPSS 4.67%
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
No data.
Configuration 1
- 11.0
- 11
- 11
- 11
Configuration 2
- 12.04
- 14.04
- 15.10
- 16.04
Configuration 3
- ≤ 4.5.4
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 the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the related code with the flaw is not present in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/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 | 4.67% (0.04671) | 91.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.67% (0.04671) | 90.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.33% (0.00333) | 53.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.51% (0.00514) | 77.44th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.51% (0.00514) | 75.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.51% (0.00514) | 73.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (25)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8670c09f37bdf2847cc44f36511a53afc6161fd x_refsource_CONFIRMPatchVendor Advisory
- 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/2016-08/msg00007.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_CONFIRMRelease Notes
- http://www.openwall.com/lists/oss-security/2016/05/04/26 mailing-listx_refsource_MLISTMailing List
- http://www.securityfocus.com/bid/90015 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-2016-4485 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1333309 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/b8670c09f37bdf2847cc44f36511a53afc6161fd x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-4485
- https://www.cve.org/CVERecord?id=CVE-2016-4485
Change history (0)
No recorded changes yet.