#VU104668 Improper locking in Linux kernel - CVE-2022-49378

Vulnerability identifier: #VU104668

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-2022-49378

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 drivers/net/ethernet/sfc/net_driver.h. 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/2e102b53f8a778f872dc137f4c7ac548705817aa
https://git.kernel.org/stable/c/5567d69b95b9c07e1c56f15cf0301251d12e5f97
https://git.kernel.org/stable/c/8f81a4113e1e574d2cbde4f2cd599380a9189c0f
https://git.kernel.org/stable/c/913d45f02d346ce41c4aad057eaf53a8ed449dc3
https://git.kernel.org/stable/c/e7e8d5e25dc762b70f9c88ec6b7d451d0816eead

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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.