Memory leak in Linux kernel realtek rtlwifi driver

1) Memory leak

EUVDB-ID: #VU105389

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-2024-58063

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the rtl_pci_probe() function in drivers/net/wireless/realtek/rtlwifi/pci.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/32acebca0a51f5e372536bfdc0d7d332ab749013
https://git.kernel.org/stable/c/624cea89a0865a2bc3e00182a6b0f954a94328b4
https://git.kernel.org/stable/c/6b76bab5c257463302c9e97f5d84d524457468eb
https://git.kernel.org/stable/c/e7ceefbfd8d447abc8aca8ab993a942803522c06
https://git.kernel.org/stable/c/ee0b0d7baa8a6d42c7988f6e50c8f164cdf3fa47

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.