Vulnerability identifier: #VU92939

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-48727

CWE-ID: CWE-388

Exploitation vector: Local

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 improper error handling within the arch/arm64/kvm/hyp/include/hyp/switch.h. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

---

External links
http://git.kernel.org/stable/c/e1e852746997500f1873f60b954da5f02cc2dba3
http://git.kernel.org/stable/c/57e2986c3b25092691a6e3d6ee9168caf8978932
http://git.kernel.org/stable/c/1c71dbc8a179d99dd9bb7e7fc1888db613cf85de

---

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.