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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2009-1243 Detail

Description

net/ipv4/udp.c in the Linux kernel before 2.6.29.1 performs an unlocking step in certain incorrect circumstances, which allows local users to cause a denial of service (panic) by reading zero bytes from the /proc/net/udp file and unspecified other files, related to the "udp seq_file infrastructure."


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Vendor Statements (disclaimer)

Official Statement from Red Hat (04/07/2009)

Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe CVE, MITRE Broken Link 
http://openwall.com/lists/oss-security/2009/04/01/4 CVE, MITRE Mailing List  Patch  Third Party Advisory 
http://secunia.com/advisories/34478 CVE, MITRE Broken Link  Third Party Advisory 
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586 CVE, MITRE Patch  Third Party Advisory 
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1 CVE, MITRE Broken Link 
http://www.securityfocus.com/bid/34329 CVE, MITRE Broken Link  Patch  Third Party Advisory  VDB Entry 
http://www.vupen.com/english/advisories/2009/0924 CVE, MITRE Broken Link  Third Party Advisory 
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595 CVE, MITRE Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-1243
NVD Published Date:
04/06/2009
NVD Last Modified:
04/08/2025
Source:
MITRE