#VU94448 Improper locking in Linux kernel - CVE-2022-48835

Vulnerability identifier: #VU94448

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-2022-48835

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 mpt3sas_base_sync_reply_irqs() function in drivers/scsi/mpt3sas/mpt3sas_base.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/98e7a654a5bebaf1a28e987af5e44c002544a413
https://git.kernel.org/stable/c/0cd2dd4bcf4abc812148c4943f966a3c8dccb00f
https://git.kernel.org/stable/c/3916e33b917581e2b2086e856c291cb86ea98a05
https://git.kernel.org/stable/c/69ad4ef868c1fc7609daa235dfa46d28ba7a3ba3

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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.