Privilege escalation in Linux kernel xc4000 driver

1) Race condition

EUVDB-ID: #VU91634

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24861

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the xc4000 xc4000_get_frequency() function in the media/xc4000 device driver. A local user can exploit the race and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://bugzilla.openanolis.cn/show_bug.cgi?id=8150

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.