#VU99008 Improper locking in Linux kernel - CVE-2022-49028

Vulnerability identifier: #VU99008

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49028

CWE-ID: CWE-667

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 locking within the ixgbevf_init_module() function in drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.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/f166c62cad798c53300b4b327e44300c73ec492d
https://git.kernel.org/stable/c/7109e941099244cc876a4b3cb7a3ec79f104374a
https://git.kernel.org/stable/c/c99671d4699dcf90d6939923c8fe8a8918e140b2
https://git.kernel.org/stable/c/8cfa238a48f34038464b99d0b4825238c2687181

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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.