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CVE-2009-1243

nvd nist
Published: Apr 6, 2009Modified: Apr 23, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: 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."

Affected (1)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Before 2.6.29.1

Related CWEs

CWE-667
Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

References (16)

Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
Mailing ListPatchThird Party Advisory
Source: cve@mitre.org
Broken LinkThird Party Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
Broken LinkPatchThird Party AdvisoryVDB Entry
Source: cve@mitre.org
Broken LinkThird Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkPatchThird Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry

Timeline

No history available yet.