#VU104709 Improper locking in Linux kernel - CVE-2022-49155

Vulnerability identifier: #VU104709

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-2022-49155

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 qla2xxx_create_qpair() function in drivers/scsi/qla2xxx/qla_init.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 5.10.109

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External links
https://git.kernel.org/stable/c/1ab81d82fb1db7ec4be4b0d04563513e6d4bcdd5
https://git.kernel.org/stable/c/43195a0c620761fbb88db04e2475313855b948a4
https://git.kernel.org/stable/c/8077a7162bc3cf658dd9ff112bc77716c08458c5
https://git.kernel.org/stable/c/9c33d49ab9f3d8bd7512b3070cd2f07c4a8849d5
https://git.kernel.org/stable/c/a60447e7d451df42c7bde43af53b34f10f34f469
https://git.kernel.org/stable/c/a669a22aef0ceff706b885370af74b5a60a8ac85
https://git.kernel.org/stable/c/f68776f28d9134fa65056e7e63bfc734049730b7
https://git.kernel.org/stable/c/f97316dd393bc8df1cc2af6295a97b876eecf252
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.110

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?