CVE-2009-3043

N/A Unknown
Published: September 02, 2009 Modified: April 23, 2026
View on NVD

Description

The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL pointer dereference) or possibly gain privileges via certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

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=5c58ceff103d8a654f24769bb1baaf84a841b0cc
Source: cve@mitre.org
http://lkml.org/lkml/2009/8/20/21
Source: cve@mitre.org
Exploit
http://lkml.org/lkml/2009/8/20/27
Source: cve@mitre.org
Exploit
http://lkml.org/lkml/2009/8/20/68
Source: cve@mitre.org
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2009/08/31/1
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2009/09/03/6
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2009/09/03/7
Source: cve@mitre.org
http://www.securityfocus.com/bid/36191
Source: cve@mitre.org
Exploit Patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cc
Source: af854a3a-2127-422b-91ae-364da2661108
http://lkml.org/lkml/2009/8/20/21
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://lkml.org/lkml/2009/8/20/27
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://lkml.org/lkml/2009/8/20/68
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2009/08/31/1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2009/09/03/6
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2009/09/03/7
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/36191
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.2%
36th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

linux

Related CVEs

CVE-2026-7073 7.3
CVE-2026-7072 7.3
CVE-2026-7071 5.3
CVE-2026-7070 7.3
CVE-2026-7069 8.0