Vulnerability identifier: #VU63390

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28356

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

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

Vendor:

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in net/llc/af_llc.c component. A remote attacker can force the system to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
http://www.openwall.com/lists/oss-security/2022/04/06/1
http://www.debian.org/security/2022/dsa-5127
http://security.netapp.com/advisory/ntap-20220506-0006/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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