Vulnerability identifier: #VU63568

Vulnerability risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-45480

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to memory leak within the __rds_conn_create() function in net/rds/connection.c. A local user can perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15.0 - 5.15.10

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External links
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
http://github.com/torvalds/linux/commit/5f9562ebe710c307adc5f666bf1a2162ee7977c0
http://www.debian.org/security/2022/dsa-5050
http://www.debian.org/security/2022/dsa-5096
http://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.