#VU99068 Improper error handling in Linux kernel - CVE-2022-49024

Vulnerability identifier: #VU99068

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-2022-49024

CWE-ID: CWE-388

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 error handling within the m_can_pci_probe() and m_can_pci_remove() functions in drivers/net/can/m_can/m_can_pci.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/ea8dc27bb044e19868155e500ce397007be98656
https://git.kernel.org/stable/c/0bbb88651ef6b7fbb1bf75ec7ba69add632e834b
https://git.kernel.org/stable/c/1eca1d4cc21b6d0fc5f9a390339804c0afce9439

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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.