CVE-2009-1243

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."

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2009-04-06 14:30

Updated : 2024-02-15 20:41

NVD link : CVE-2009-1243

Mitre link : CVE-2009-1243

CVE.ORG link : CVE-2009-1243

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-667

Improper Locking

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