Vulnerability identifier: #VU20857
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
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 compromise vulnerable system.
The vulnerability exists due to a boundary error in the "drivers/iio/dac/ad5755.c" file when processing untrusted input. A local authenticated user can access the system and execute an application that submits malicious input to the affected software, trigger out-of-bounds write condition in the "ad5755_parse_dt" function and execute arbitrary code or cause a DoS condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel: 4.8.0 - 4.8.5
External links
http://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.6
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d47964bfd471f0dd4c89f28556aec68bffa0020
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.