Vulnerability identifier: #VU92646

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2009-3621

CWE-ID: CWE-400

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource exhaustion error. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=529626
http://lkml.org/lkml/2009/10/19/50
http://patchwork.kernel.org/patch/54678/
http://www.openwall.com/lists/oss-security/2009/10/19/2
http://www.openwall.com/lists/oss-security/2009/10/19/4
http://secunia.com/advisories/37086
http://rhn.redhat.com/errata/RHSA-2009-1540.html
http://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
http://www.redhat.com/support/errata/RHSA-2009-1671.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
http://www.redhat.com/support/errata/RHSA-2009-1670.html
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
http://secunia.com/advisories/37909
http://secunia.com/advisories/38017
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
http://www.ubuntu.com/usn/usn-864-1
http://secunia.com/advisories/38834
http://secunia.com/advisories/38794
http://www.vupen.com/english/advisories/2010/0528
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.