Vulnerability identifier: #VU94421

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-48791

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the pm8001_exec_internal_tmf_task() function in drivers/scsi/pm8001/pm8001_sas.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/d872e7b5fe38f325f5206b6872746fa02c2b4819
http://git.kernel.org/stable/c/3c334cdfd94945b8edb94022a0371a8665b17366
http://git.kernel.org/stable/c/510b21442c3a2e3ecc071ba3e666b320e7acdd61
http://git.kernel.org/stable/c/61f162aa4381845acbdc7f2be4dfb694d027c018

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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.