#VU98957 NULL pointer dereference in Linux kernel - CVE-2024-49929

Vulnerability identifier: #VU98957

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-2024-49929

CWE-ID: CWE-476

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 NULL pointer dereference within the iwl_mvm_tx_mpdu() and iwl_mvm_tx_skb_sta() functions in drivers/net/wireless/intel/iwlwifi/mvm/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

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External links
https://git.kernel.org/stable/c/6dcadb2ed3b76623ab96e3e7fbeda1a374d01c28
https://git.kernel.org/stable/c/cdbf51bfa4b0411820806777da36d93d49bc49a1
https://git.kernel.org/stable/c/c0b4f5d94934c290479180868a32c15ba36a6d9e
https://git.kernel.org/stable/c/557a6cd847645e667f3b362560bd7e7c09aac284

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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.