#VU91609 Input validation error in Linux kernel - CVE-2024-35845

Vulnerability identifier: #VU91609

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-2024-35845

CWE-ID: CWE-20

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 insufficient validation of user-supplied input within the iwl_dbg_tlv_alloc_debug_info() function in drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/fabe2db7de32a881e437ee69db32e0de785a6209
https://git.kernel.org/stable/c/96aa40761673da045a7774f874487cdb50c6a2f7
https://git.kernel.org/stable/c/c855a1a5b7e3de57e6b1b29563113d5e3bfdb89a
https://git.kernel.org/stable/c/783d413f332a3ebec916664b366c28f58147f82c
https://git.kernel.org/stable/c/fec14d1cdd92f340b9ba2bd220abf96f9609f2a9
https://git.kernel.org/stable/c/71d4186d470e9cda7cd1a0921b4afda737c6f641
https://git.kernel.org/stable/c/ea1d166fae14e05d49ffb0ea9fcd4658f8d3dcea

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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.