CVE-2009-4895

4.7 MEDIUM
Published: September 08, 2010 Modified: April 29, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

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=703625118069f9f8960d356676662d3db5a9d116
Source: cve@mitre.org
Broken Link
http://www.debian.org/security/2010/dsa-2094
Source: cve@mitre.org
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6
Source: cve@mitre.org
Broken Link
http://www.openwall.com/lists/oss-security/2010/06/15/2
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/15/3
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/15/4
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/15/5
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-1000-1
Source: cve@mitre.org
Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=14605
Source: cve@mitre.org
Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=559100
Source: cve@mitre.org
Issue Tracking Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=703625118069f9f8960d356676662d3db5a9d116
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.debian.org/security/2010/dsa-2094
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.openwall.com/lists/oss-security/2010/06/15/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/15/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/15/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/06/15/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-1000-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=14605
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=559100
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.7 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362 CWE-476

Affected Vendors

canonical linux debian

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