Vulnerability identifier: #VU90564

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-48647

CWE-ID: CWE-476

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 NULL pointer dereference within the efx_probe_interrupts() function in drivers/net/ethernet/sfc/efx_channels.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/b4afd3878f961d3517f27b3213730fceef77945c
http://git.kernel.org/stable/c/360910b88d1466a90644a4e0533803b594344a2b
http://git.kernel.org/stable/c/5f623a77cfc2d501d72bcb4f9ee71721e6c766ff
http://git.kernel.org/stable/c/f232af4295653afa4ade3230462b3be15ad16419

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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.