Memory leak in Linux kernel memory driver

1) Memory leak

EUVDB-ID: #VU104354

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-2022-49050

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 rpcif_probe() function in drivers/memory/renesas-rpc-if.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/05d1824a7fb43ab9adb1eb82404954af81d8c984
https://git.kernel.org/stable/c/66b9b707ea4dcafca92b6261c6924652914e3b73
https://git.kernel.org/stable/c/b452dbf24d7d9a990d70118462925f6ee287d135
https://git.kernel.org/stable/c/c089ffc846c85f200db34ad208338f4f81a6d82d

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.