#VU100629 Improper locking in Linux kernel - CVE-2024-50274

Vulnerability identifier: #VU100629

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-2024-50274

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 idpf_handle_event_link() function in drivers/net/ethernet/intel/idpf/idpf_virtchnl.c, within the idpf_initiate_soft_reset() function in drivers/net/ethernet/intel/idpf/idpf_lib.c, within the idpf_set_msglevel() function in drivers/net/ethernet/intel/idpf/idpf_ethtool.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/fa4d906ad0fb63a980a1d586a061c78ea1a345ba
https://git.kernel.org/stable/c/81d2fb4c7c18a3b36ba3e00b9d5b753107472d75

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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.