#VU90247 Use-after-free in Linux kernel


Published: 2024-05-31

Vulnerability identifier: #VU90247

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: CVE-2023-52475

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 powermate_disconnect() function in drivers/input/misc/powermate.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/8677575c4f39d65bf0d719b5d20e8042e550ccb9
http://git.kernel.org/stable/c/67cace72606baf1758fd60feb358f4c6be92e1cc
http://git.kernel.org/stable/c/5aa514100aaf59868d745196258269a16737c7bd
http://git.kernel.org/stable/c/cd2fbfd8b922b7fdd50732e47d797754ab59cb06
http://git.kernel.org/stable/c/6a4a396386404e62fb59bc3bde48871a64a82b4f
http://git.kernel.org/stable/c/2efe67c581a2a6122b328d4bb6f21b3f36f40d46
http://git.kernel.org/stable/c/e528b1b9d60743e0b26224e3fe7aa74c24b8b2f8
http://git.kernel.org/stable/c/5c15c60e7be615f05a45cd905093a54b11f461bc


Q & A

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.


Latest bulletins with this vulnerability