#VU92009 Improper locking in Linux kernel - CVE-2024-36922

Vulnerability identifier: #VU92009

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-36922

CWE-ID: CWE-667

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the iwl_txq_reclaim() function in drivers/net/wireless/intel/iwlwifi/queue/tx.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/b83db8e756dec68a950ed2f056248b1704b3deaa
https://git.kernel.org/stable/c/43d07103df670484cdd26f9588eabef80f69db89
https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2

---

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.