#VU104906 Resource management error in Linux kernel - CVE-2022-49281

Vulnerability identifier: #VU104906

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-2022-49281

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 cifs_kill_sb() function in fs/cifs/cifsfs.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/2fafbc198613823943c106d1ec9b516da692059f
https://git.kernel.org/stable/c/47178c7722ac528ea08aa82c3ef9ffa178962d7a
https://git.kernel.org/stable/c/e71f6a3a1d5c826a30384fec587ca7503ef6bde5
https://git.kernel.org/stable/c/ffa631c4bff59dde59b598011f570e27dfba3515

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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.