Resource management error in Linux kernel

1) Resource management error

EUVDB-ID: #VU42961

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2636

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

net/bridge/br_mdb.c in the Linux kernel before 3.8.4 does not initialize certain structures, which allows local users to obtain sensitive information from kernel memory via a crafted application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 3.8.0 - 3.8.2

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:3.8.0:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.8.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:3.8.2:*:*:*:*:*:*:*

External links

https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c085c49920b2f900ba716b4ca1c1a55ece9872cc
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
https://www.openwall.com/lists/oss-security/2013/03/20/1
https://bugzilla.redhat.com/show_bug.cgi?id=923652
https://github.com/torvalds/linux/commit/c085c49920b2f900ba716b4ca1c1a55ece9872cc

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.