kernel: sctp dos
Published Jun 8, 2013
7.5
HIGHCVSS 3.1
EPSS 3.77%
Description
A certain Red Hat patch to the sctp_sock_migrate function in net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted SCTP packet.
Affected products
No data.
- < 2.6.21
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-274.3.1.el5
Fixed · RHSA-2011:1212
Red Hat Enterprise Linux 5.6 EUS - Server Only
kernel-0:2.6.18-238.31.1.el5
Fixed · RHSA-2011:1813
Red Hat Enterprise Linux 4
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-274.3.1.el5 | Fixed | RHSA-2011:1212 |
| Red Hat Enterprise Linux 5.6 EUS - Server Only | kernel-0:2.6.18-238.31.1.el5 | Fixed | RHSA-2011:1813 |
| Red Hat Enterprise Linux 4 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | 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 did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not backport the upstream commit 3ab224be6d6. It did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 6, and Red Hat Enterprise MRG as they have backported the upstream commit ea2bc483ff5 that Red Hat Enterprise Linux 5 did not. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1212.html.
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
No CVSS v3.0 score for this CVE.
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.77% (0.03769) | 89.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.77% (0.03769) | 88.49th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.17% (0.01166) | 77.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.13% (0.01130) | 85.32th | v3 (v2023.03.01) |
| Feb 24, 2024 | 1.13% (0.01130) | 84.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.95% (0.00955) | 80.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.32% (0.01319) | 70.74th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.97% (0.01974) | 78.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (9)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21 x_refsource_CONFIRMBroken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2011-1212.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2011-2482 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=714867 x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-2482
- https://www.cve.org/CVERecord?id=CVE-2011-2482
| Link | Providers | Tags |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21 | x_refsource_CONFIRMBroken Link | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d | x_refsource_CONFIRM | |
| http://rhn.redhat.com/errata/RHSA-2011-1212.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2011/08/30/1 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2011-2482 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=714867 | x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory | |
| https://github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-2482 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-2482 |
Change history (0)
No recorded changes yet.