Vulnerability identifier: #VU93387

Vulnerability risk: Low

CVSSv3.1: 6.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-48694

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 execute arbitrary code.

The vulnerability exists due to improper locking within the irdma_generate_flush_completions() function in drivers/infiniband/hw/irdma/utils.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
http://git.kernel.org/stable/c/14d148401c5202fec3a071e24785481d540b22c3
http://git.kernel.org/stable/c/5becc531a3fa8da75158a8993f56cc3e0717716e
http://git.kernel.org/stable/c/ead54ced6321099978d30d62dc49c282a6e70574

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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.