CVE-2009-3043

Published Sep 2, 2009

Last updated a year ago

Overview

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.
Source
cve@mitre.org
NVD status
Modified

Social media

Hype score
Not currently trending

Risk scores

CVSS 2.0

Type
Primary
Base score
4.9
Impact score
6.9
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:N/I:N/A:C

Weaknesses

nvd@nist.gov
CWE-399

Vendor comments

  • Red HatNot vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 or Red Hat Enterprise MRG, as they do not contain a backport of the tty ldisc rewrite (upstream commits 65b770468e98 and cbe9352fa08f).

Configurations