Vulnerability identifier: #VU28164
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-264
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 escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the "mwifiex_cmd_append_vsie_tlv()" function in "drivers/net/wireless/marvell/mwifiex/scan.c" file. A local user can gain elevated privileges on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel: 5.5 - 5.5.3
External links
http://www.openwall.com/lists/oss-security/2020/05/08/2
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d
http://github.com/torvalds/linux/commit/b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d
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.