CVE-2009-1243

5.5 MEDIUM
Published: April 06, 2009 Modified: April 23, 2026
View on NVD

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."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe
Source: cve@mitre.org
Broken Link
http://openwall.com/lists/oss-security/2009/04/01/4
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
http://secunia.com/advisories/34478
Source: cve@mitre.org
Broken Link Third Party Advisory
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586
Source: cve@mitre.org
Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
Source: cve@mitre.org
Broken Link
http://www.securityfocus.com/bid/34329
Source: cve@mitre.org
Broken Link Patch Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/0924
Source: cve@mitre.org
Broken Link Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://openwall.com/lists/oss-security/2009/04/01/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://secunia.com/advisories/34478
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.securityfocus.com/bid/34329
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Patch Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/0924
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-667

Affected Vendors

linux

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