Memory leak in Linux kernel hw bnxt_re driver

1) Memory leak

EUVDB-ID: #VU100057

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-2024-50172

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 bnxt_re_setup_chip_ctx() function in drivers/infiniband/hw/bnxt_re/main.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/73e04a6114e08b5eb10e589e12b680955accb376
https://git.kernel.org/stable/c/595fa9b17201028d35f92d450fc0ecda873fe469
https://git.kernel.org/stable/c/3fc5410f225d1651580a4aeb7c72f55e28673b53

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.