Vulnerability Monitor

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CVE-2011-2484

The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application.

Published

2011-06-24T20:55:04.013

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.39.1	Yes

References

http://lists.openwall.net/linux-kernel/2011/06/16/605 Patch ([email protected])
http://openwall.com/lists/oss-security/2011/06/22/1 Mailing List, Patch ([email protected])
http://openwall.com/lists/oss-security/2011/06/22/2 Mailing List, Patch ([email protected])
http://www.securityfocus.com/bid/48383 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=715436 Issue Tracking ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/68150 VDB Entry ([email protected])
http://lists.openwall.net/linux-kernel/2011/06/16/605 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/06/22/1 Mailing List, Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/06/22/2 Mailing List, Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48383 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=715436 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/68150 VDB Entry (af854a3a-2127-422b-91ae-364da2661108)