CVE-2011-4348 : Race condition in the sctp_rcv function in net/sctp/input.c in the Linux kernel

Race condition in the sctp_rcv function in net/sctp/input.c in the Linux kernel before 2.6.29 allows remote attackers to cause a denial of service (system hang) via SCTP packets. NOTE: in some environments, this issue exists because of an incomplete fix for CVE-2011-2482.

Published 2013-06-08 13:05:56

Updated 2025-04-11 00:51:22

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2011-4348

Linux » Linux Kernel
Versions up to, including, (<=) 2.6.28.10
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28
cpe:2.3:o:linux:linux_kernel:2.6.28:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.1
cpe:2.3:o:linux:linux_kernel:2.6.28.1:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.2
cpe:2.3:o:linux:linux_kernel:2.6.28.2:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.3
cpe:2.3:o:linux:linux_kernel:2.6.28.3:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.4
cpe:2.3:o:linux:linux_kernel:2.6.28.4:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.5
cpe:2.3:o:linux:linux_kernel:2.6.28.5:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.6
cpe:2.3:o:linux:linux_kernel:2.6.28.6:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.8
cpe:2.3:o:linux:linux_kernel:2.6.28.8:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.7
cpe:2.3:o:linux:linux_kernel:2.6.28.7:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 2.6.28.9
cpe:2.3:o:linux:linux_kernel:2.6.28.9:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2011-4348

Top countries where our scanners detected CVE-2011-4348

Top open port discovered on systems with this issue 49152

IPs affected by CVE-2011-4348 1,334

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2011-4348!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-4348

EPSS FAQ

0.48%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 62 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-4348

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.1	HIGH	AV:N/AC:M/Au:N/C:N/I:N/A:C	8.6	6.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete

CWE ids for CVE-2011-4348

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4348

http://www.openwall.com/lists/oss-security/2012/03/05/2

oss-security - CVE-2011-4348 kernel: incomplete fix for CVE-2011-2482
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29

404 Not Found

CVEs referencing this url
https://github.com/torvalds/linux/commit/ae53b5bd77719fed58086c5be60ce4f22bffe1c6

sctp: Fix another socket race during accept/peeloff · torvalds/linux@ae53b5b · GitHub
https://bugzilla.redhat.com/show_bug.cgi?id=757143

757143 – (CVE-2011-4348) CVE-2011-4348 kernel: incomplete fix for CVE-2011-2482
Vendor Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ae53b5bd77719fed58086c5be60ce4f22bffe1c6