Vulnerability identifier: #VU30984

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-5327

CWE-ID: CWE-119

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 execute arbitrary code.

In the Linux kernel before 3.1, an off by one in the drivers/target/loopback/tcm_loop.c tcm_loop_make_naa_tpg() function could result in at least memory corruption.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 3.0 - 3.0.101

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External links
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8
http://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8
http://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
http://support.f5.com/csp/article/K42315210
http://support.f5.com/csp/article/K42315210?utm_source=f5support&utm_medium=RSS

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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.