Vulnerability identifier: #VU90645
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-476
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 NULL pointer dereference within the idxd_cmd_exec() function in drivers/dma/idxd/device.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/5756f757c72501ef1a16f5f63f940623044180e9
http://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97
http://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa
http://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120
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.