#VU104253 Memory leak in Linux kernel - CVE-2022-49346

Vulnerability identifier: #VU104253

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49346

CWE-ID: CWE-401

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 memory leak within the gswip_gphy_fw_list() function 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: All versions

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External links
https://git.kernel.org/stable/c/0737e018a05e2aa352828c52bdeed3b02cff2930
https://git.kernel.org/stable/c/2e007ac6fa7c9c94ad84da075c5c504afad690a0
https://git.kernel.org/stable/c/32cd78c5610f02a929f63cac985e73692d05f33e
https://git.kernel.org/stable/c/54d6802c4d83fa8de7696cfec06f475d5fd92d27
https://git.kernel.org/stable/c/7c8df6fad43d9d5d77f281f794b2a93cd02fd1a9
https://git.kernel.org/stable/c/c2ae49a113a5344232f1ebb93bcf18bbd11e9c39

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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.