Buffer overflow in Linux kernel iwlwifi mvm driver

1) Buffer overflow

EUVDB-ID: #VU91210

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52531

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to memory corruption within the drivers/net/wireless/intel/iwlwifi/mvm/fw.c. A local user can escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef
http://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0
http://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128
http://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d

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.