Vulnerability identifier: #VU90784
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-667
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 improper locking within the FSL_QDMA_CMD_PF BIT() and fsl_qdma_comp_fill_memcpy() functions in drivers/dma/fsl-qdma.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/518d78b4fac68cac29a263554d7f3b19da99d0da
http://git.kernel.org/stable/c/bb3a06e9b9a30e33d96aadc0e077be095a4f8580
http://git.kernel.org/stable/c/106c1ac953a66556ec77456c46e818208d3a9bce
http://git.kernel.org/stable/c/237ecf1afe6c22534fa43abdf2bf0b0f52de0aaa
http://git.kernel.org/stable/c/5b696e9c388251f1c7373be92293769a489fd367
http://git.kernel.org/stable/c/ad2f8920c314e0a2d9e984fc94b729eca3cda471
http://git.kernel.org/stable/c/9d739bccf261dd93ec1babf82f5c5d71dd4caa3e
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.