Vulnerability identifier: #VU92849

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-2008-5079

CWE-ID: CWE-399

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.

net/atm/svc.c in the ATM subsystem in the Linux kernel 2.6.27.8 and earlier allows local users to cause a denial of service (kernel infinite loop) by making 2 calls to svc_listen for the same socket, and then reading a /proc/net/atm/*vc file, related to corruption of the vcc table.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html
http://marc.info/?l=linux-netdev&m=122841256115780&w=2
http://secunia.com/advisories/32913
http://secunia.com/advisories/33083
http://secunia.com/advisories/33348
http://secunia.com/advisories/33623
http://secunia.com/advisories/33641
http://secunia.com/advisories/33704
http://secunia.com/advisories/33706
http://secunia.com/advisories/33756
http://secunia.com/advisories/33854
http://secunia.com/advisories/34981
http://securityreason.com/securityalert/4694
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0332
http://www.debian.org/security/2009/dsa-1787
http://www.mandriva.com/security/advisories?name=MDVSA-2009:032
http://www.redhat.com/support/errata/RHSA-2009-0053.html
http://www.redhat.com/support/errata/RHSA-2009-0225.html
http://www.securityfocus.com/archive/1/498943/100/0/threaded
http://www.securityfocus.com/archive/1/499044/100/0/threaded
http://www.securityfocus.com/bid/32676
http://www.securitytracker.com/id?1021360
http://www.ubuntu.com/usn/usn-715-1
http://issues.rpath.com/browse/RPL-2915
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11288
http://usn.ubuntu.com/714-1/
http://www.redhat.com/archives/fedora-package-announce/2008-December/msg01358.html

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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.