VULNERABILITY INTELLIGENCE

CVE-2009-3621

CVSS score5.5 MEDIUM
EPSS probability0.99%
CISA KEVNot currently listed
Published2009-10-22
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket.

Weakness classification

  • nvd@nist.gov: CWE-400

Primary references