Local denial of service in Linux kernel hda device driver

1) Race condition

EUVDB-ID: #VU87784

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23196

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition within the snd_hdac_regmap_sync() function in sound/hda/hdac_regmap.c. A local user can exploit the race and crash the OS kernel.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://bugzilla.openanolis.cn/show_bug.cgi?id=8148
http://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=1f4a08fed450db87fbb5ff5105354158bdbe1a22

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.