kernel: Creating multiple sockets when SCTP module isn't loaded leads to kernel panic
Published Oct 19, 2015
4.7
MEDIUMCVSS 2.0
EPSS 0.55%
Description
The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.
Affected products
No data.
- ≤ 4.2.2
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-327.el7
Fixed · RHSA-2015:2152
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-327.rt56.204.el7
Fixed · RHSA-2015:2411
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise MRG 2
realtime-kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-327.el7 | Fixed | RHSA-2015:2152 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-327.rt56.204.el7 | Fixed | RHSA-2015:2411 |
| 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 MRG 2 | realtime-kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 5, 6 and 7. Due to the limited security impact the issue is currently not planned to be addressed in Red Hat Enterprise Linux 5 and 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.55% (0.00549) | 43.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.55% (0.00549) | 41.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00114) | 27.69th | 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=8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4 x_refsource_CONFIRMExploit
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html vendor-advisoryx_refsource_SUSE
- http://patchwork.ozlabs.org/patch/515996/ x_refsource_CONFIRMExploit
- http://www.debian.org/security/2015/dsa-3372 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.3 x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/77058 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1033808 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2823-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2826-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2829-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2829-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-5283 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1257528 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4 x_refsource_CONFIRMExploit
- https://nvd.nist.gov/vuln/detail/CVE-2015-5283
- https://security-tracker.debian.org/tracker/CVE-2015-5283 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2015-5283
Change history (0)
No recorded changes yet.