CVE-2009-3547

CVE Database · CVE-2009-3547

CVE-2009-3547

· HIGHModified

CVSS v3.1

7.0

EPSS

4.93%

Published

Nov 4, 2009

Modified

Apr 22, 2026

Public PoC / Exploit (6)

All weaponized →

Exploit-DBLinux Kernel 2.4.1 < 2.4.37 / 2.6.1 < 2.6.32-rc5 - 'pipe.c' Local Privilege Escalation (3)Exploit-DBLinux Kernel 2.6.0 < 2.6.31 - 'pipe.c' Local Privilege Escalation (1)Exploit-DBLinux Kernel 2.6.10 < 2.6.31.5 - 'pipe.c' Local Privilege Escalation Exploit-DBLinux Kernel 2.6.32 - 'pipe.c' Local Privilege Escalation (4)Exploit-DBLinux Kernel 2.6.x - 'pipe.c' Local Privilege Escalation (2)TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-362CWE-476CWE-672

Affected Products (32)

linux · linux_kernelvulnerable