#VU91019 NULL pointer dereference in Linux kernel - CVE-2009-1360

Vulnerability identifier: #VU91019

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2009-1360

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the net/ipv6/inet6_hashtables.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3f53a38131a4e7a053c0aa060aba0411242fb6b9
https://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
https://secunia.com/advisories/35387
https://secunia.com/advisories/35656
https://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29
https://www.mandriva.com/security/advisories?name=MDVSA-2009:135
https://www.securityfocus.com/bid/34602
https://www.ubuntu.com/usn/usn-793-1
https://xorl.wordpress.com/2009/04/21/linux-kernel-net_ns-ipv6-null-pointer-dereference/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.