#VU90048 Use-after-free in Linux kernel


Published: 2024-05-30

Vulnerability identifier: #VU90048

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-2024-36899

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 gpio_chrdev_release() function in drivers/gpio/gpiolib-cdev.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/95ca7c90eaf5ea8a8460536535101e3e81160e2a
http://git.kernel.org/stable/c/ca710b5f40b8b16fdcad50bebd47f50e4c62d239
http://git.kernel.org/stable/c/02f6b0e1ec7e0e7d059dddc893645816552039da


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