kernel: deficiency in processing igmp host membership reports in br_multicast
Published Jun 21, 2012
4.7
MEDIUMCVSS 2.0
EPSS 0.37%
Description
The br_multicast_add_group function in net/bridge/br_multicast.c in the Linux kernel before 2.6.38, when a certain Ethernet bridge configuration is used, allows local users to cause a denial of service (memory corruption and system crash) by sending IGMP packets to a local interface.
Affected products
No data.
- ≤ 2.6.37.6
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37
- 2.6.37.1
- 2.6.37.2
- 2.6.37.3
- 2.6.37.4
- 2.6.37.5
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-71.24.1.el6
Fixed · RHSA-2011:0421
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-71.24.1.el6 | Fixed | RHSA-2011:0421 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise MRG as they did not include support for the bridge snooping functionality. A future update in Red Hat Enterprise Linux 6 may address this flaw.
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00368) | 28.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.37% (0.00368) | 28.35th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00051) | 13.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 13, 2023 | 0.95% (0.00950) | 31.86th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.03% (0.01034) | 40.96th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 x_refsource_CONFIRMBroken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6b0d6a9b4296fa16a28d10d416db7a770fc03287 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2011/02/17/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2011-0716 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=678169 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/6b0d6a9b4296fa16a28d10d416db7a770fc03287 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-0716
- https://www.cve.org/CVERecord?id=CVE-2011-0716
| Link | Providers | Tags |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 | x_refsource_CONFIRMBroken Link | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6b0d6a9b4296fa16a28d10d416db7a770fc03287 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2011/02/17/2 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2011-0716 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=678169 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/torvalds/linux/commit/6b0d6a9b4296fa16a28d10d416db7a770fc03287 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-0716 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-0716 |
Change history (0)
No recorded changes yet.