kernel: BUG_ON() in rds_send_xmit()
Published Jun 21, 2012
4.9
MEDIUMCVSS 2.0
EPSS 0.48%
Description
The Reliable Datagram Sockets (RDS) subsystem in the Linux kernel before 2.6.38 does not properly handle congestion map updates, which allows local users to cause a denial of service (BUG_ON and system crash) via vectors involving (1) a loopback (aka loop) transmit operation or (2) an InfiniBand (aka ib) transmit operation.
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-0:2.6.32-131.0.15.el6
Fixed · RHSA-2011:0542
Red Hat Enterprise MRG 1
kernel-rt
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-131.0.15.el6 | Fixed | RHSA-2011:0542 |
| Red Hat Enterprise MRG 1 | kernel-rt | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The Linux kernel as shipped with Red Hat Enterprise Linux 4 and Red Hat Enterprise MRG did not include support for the RDS Protocol, and therefore are not affected by this issue. The Linux kernel as shipped with Red Hat Enterprise Linux 5 and 6 are not affected as they did not backport upstream commit 2e7b3b99 and 77dd550e that introduced this issue.
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: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 | 0.48% (0.00485) | 39.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.48% (0.00485) | 37.77th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00151) | 33.12th | 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) |
No CWE recorded.
References (8)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6094628bfd94323fc1cea05ec2c6affd98c18f7f x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2011/03/03/2 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2011-1023 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=680345 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7f x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2011-1023
- https://www.cve.org/CVERecord?id=CVE-2011-1023
| Link | Providers | Tags |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 | x_refsource_CONFIRM | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6094628bfd94323fc1cea05ec2c6affd98c18f7f | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2011/03/03/2 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2011-1023 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=680345 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7f | x_refsource_CONFIRMExploitPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-1023 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-1023 |
Change history (0)
No recorded changes yet.