Vulnerability identifier: #VU94476

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2022-48812

CWE-ID: CWE-399

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 resource management error within the gswip_mdio_rd(), gswip_mdio(), gswip_mdio_mask() and gswip_remove() functions in drivers/net/dsa/lantiq_gswip.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/e177d2e85ebcd3008c4b2abc293f4118e04eedef
http://git.kernel.org/stable/c/b5652bc50dde7b84e93dfb25479b64b817e377c1
http://git.kernel.org/stable/c/2443ba2fe396bdde187a2fdfa6a57375643ae93c
http://git.kernel.org/stable/c/0d120dfb5d67edc5bcd1804e167dba2b30809afd

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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.