#VU104255 Memory leak in Linux kernel - CVE-2022-49354

Vulnerability identifier: #VU104255

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49354

CWE-ID: CWE-401

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 memory leak within the octeon_cf_probe() function in drivers/ata/pata_octeon_cf.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/10d6bdf532902be1d8aa5900b3c03c5671612aa2
https://git.kernel.org/stable/c/19cb3ece14547cb1ca2021798aaf49a3f82643d1
https://git.kernel.org/stable/c/7bd85c5ba1687daf54e3b6907673c3604b1e75cf
https://git.kernel.org/stable/c/888312dc297a8a103f6371ef668c7e04f57a7679
https://git.kernel.org/stable/c/8d8ad067b90f231b8fdb14acee673ca4012f6045
https://git.kernel.org/stable/c/a4d3e5f1d7d4f8b5e3834fec0f057a762c55806b
https://git.kernel.org/stable/c/c9782e1b21bee4b783a64b2a91e7e71406c21a21
https://git.kernel.org/stable/c/d5a1e7f33c88780b279835d63665d7e38ccb671f
https://git.kernel.org/stable/c/fb2cb409b504bb3a69e65a17f3120328c8e50219

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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.