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Case File

CVE-2009-1243

MEDIUM · CVSS 5.5 EPSS 0.27%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-04-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux. It may lead to a denial-of-service condition.

CVE
CVE-2009-1243
Severity
MEDIUM
CVSS
5.5
EPSS
0.27%
Linux

Original 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."