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.
Published 2009-09-02 17:30:01
Updated 2012-03-19 04:00:00
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2009-3043

Top countries where our scanners detected CVE-2009-3043
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-3043 240,568
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-3043!
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Exploit prediction scoring system (EPSS) score for CVE-2009-3043

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-3043

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
MEDIUM AV:L/AC:L/Au:N/C:N/I:N/A:C
3.9
6.9
NIST

CWE ids for CVE-2009-3043

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-3043

  • Red Hat 2009-09-03
    Not 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).

Products affected by CVE-2009-3043

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