Memory leak in Linux kernel stmicro stmmac driver

1) Memory leak

EUVDB-ID: #VU104320

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-2022-49628

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 ingenic_mac_probe() function in drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.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/23aa6d5088e3bd65de77c5c307237b9937f8b48a
https://git.kernel.org/stable/c/dd91bc60f305610401b2196bedb573693d6c8e46
https://git.kernel.org/stable/c/f4bd3202a2b4194ab6c0ce61628095d54f994db4

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.