Vulnerability identifier: #VU30816

Vulnerability risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-10906

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

An issue was discovered in drivers/net/ethernet/arc/emac_main.c in the Linux kernel before 4.5. A use-after-free is caused by a race condition between the functions arc_emac_tx and arc_emac_tx_clean.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.0 - 4.0.9, 4.1 - 4.1.52, 4.2 - 4.2.8, 4.3 - 4.3.6, 4.4 - 4.4.224

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External links
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c278c253f3d992c6994d08aa0efb2b6806ca396f
http://seclists.org/bugtraq/2019/Nov/11
http://support.f5.com/csp/article/K01993501?utm_source=f5support&utm_medium=RSS
http://usn.ubuntu.com/4163-1/
http://usn.ubuntu.com/4163-2/

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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.