Vulnerability identifier: #VU90014

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-47150

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

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.

The vulnerability exists due to memory leak within the fec_enet_init() function in drivers/net/ethernet/freescale/fec_main.c. A local user 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
http://git.kernel.org/stable/c/15102886bc8f5f29daaadf2d925591d564c17e9f
http://git.kernel.org/stable/c/20255d41ac560397b6a07d8d87dcc5e2efc7672a
http://git.kernel.org/stable/c/8ee7ef4a57a9e1228b6f345aaa70aa8951c7e9cd
http://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f
http://git.kernel.org/stable/c/619fee9eb13b5d29e4267cb394645608088c28a8

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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.