Vulnerability identifier: #VU90187
Vulnerability risk: Low
CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
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 a use-after-free error within the wg_get_device_dump() function in drivers/net/wireguard/netlink.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/f52be46e3e6ecefc2539119784324f0cbc09620a
http://git.kernel.org/stable/c/710a177f347282eea162aec8712beb1f42d5ad87
http://git.kernel.org/stable/c/b7cea3a9af0853fdbb1b16633a458f991dde6aac
http://git.kernel.org/stable/c/13d107794304306164481d31ce33f8fdb25a9c04
http://git.kernel.org/stable/c/7bedfe4cfa38771840a355970e4437cd52d4046b
http://git.kernel.org/stable/c/302b2dfc013baca3dea7ceda383930d9297d231d
http://git.kernel.org/stable/c/55b6c738673871c9b0edae05d0c97995c1ff08c4
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.