CVE-2009-4895

medium

Description

Race condition in the tty_fasync function in drivers/char/tty_io.c in the Linux kernel before 2.6.32.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via unknown vectors, related to the put_tty_queue and __f_setown functions. NOTE: the vulnerability was addressed in a different way in 2.6.32.9.

References

https://bugzilla.redhat.com/show_bug.cgi?id=559100

https://bugzilla.kernel.org/show_bug.cgi?id=14605

http://www.ubuntu.com/usn/USN-1000-1

http://www.openwall.com/lists/oss-security/2010/06/15/5

http://www.openwall.com/lists/oss-security/2010/06/15/4

http://www.openwall.com/lists/oss-security/2010/06/15/3

http://www.openwall.com/lists/oss-security/2010/06/15/2

http://www.debian.org/security/2010/dsa-2094

Details

Source: Mitre, NVD

Published: 2010-09-08

Updated: 2023-12-28

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 4.7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium