Vulnerability identifier: #VU93018
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:
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 wmfw_convert_flags(), hda_cs_dsp_add_kcontrol(), hda_cs_dsp_control_add() and hda_cs_dsp_control_remove() functions in sound/pci/hda/hda_cs_dsp_ctl.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/191dc1b2ff0fb35e7aff15a53224837637df8bff
http://git.kernel.org/stable/c/6e359be4975006ff72818e79dad8fe48293f2eb2
http://git.kernel.org/stable/c/3291486af5636540980ea55bae985f3eaa5b0740
http://git.kernel.org/stable/c/172811e3a557d8681a5e2d0f871dc04a2d17eb13
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.