kernel: Linux panic on fragemented IPv6 traffic (icmp6_send)
Published Dec 8, 2016
7.5
HIGHCVSS 3.1
EPSS 5.67%
Description
The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.
Affected products
No data.
- ≥ 4.8.10 · < 4.9
- 4.4.223
- 4.9
- 4.9
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 Red Hat Enterprise MRG-2 as the code with the flaw is not present in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.67% (0.05671) | 92.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.67% (0.05671) | 91.96th | v5 (v2026.06.15) |
| Jan 25, 2026 | 5.46% (0.05457) | 89.92th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.70% (0.02704) | 84.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.52% (0.18519) | 92.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.70% (0.02704) | 84.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.49% (0.00488) | 76.85th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.49% (0.00488) | 75.34th | v3 (v2023.03.01) |
| May 8, 2023 | 0.49% (0.00488) | 72.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00406) | 69.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (8)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/15 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94824 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-9919 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1403260 Issue Tracking
- https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9919
- https://www.cve.org/CVERecord?id=CVE-2016-9919
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2016/12/08/15 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/94824 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-9919 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1403260 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9919 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-9919 |
Change history (0)
No recorded changes yet.