#VU104893 Resource management error in Linux kernel - CVE-2022-49545

Vulnerability identifier: #VU104893

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-2022-49545

CWE-ID: CWE-399

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 resource management error within the snd_usbmidi_output_open() function in sound/usb/midi.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/0125de38122f0f66bf61336158d12a1aabfe6425
https://git.kernel.org/stable/c/11868ca21585561659c2575b0d6508ef8e9c4291
https://git.kernel.org/stable/c/40bdb5ec957aca5c5c1924602bef6b0ab18e22d3
https://git.kernel.org/stable/c/517dcef4d2dda0132648f1e4c079ed17bba4d1a4
https://git.kernel.org/stable/c/5e5fe2b6065541c6216a7a003b0cddf386be0d2d

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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.