Use of uninitialized resource in Linux kernel ocfs2



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49274
CWE-ID CWE-908
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use of uninitialized resource

EUVDB-ID: #VU104769

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-2022-49274

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the ocfs2_local_read_info() function in fs/ocfs2/quota_local.c, within the ocfs2_unlock_global_qf() and ocfs2_global_read_info() functions in fs/ocfs2/quota_global.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.17 - 5.17.1

CPE2.3 External links

https://git.kernel.org/stable/c/01931e1c4e3de5d777253acae64c0e8fd071a1dd
https://git.kernel.org/stable/c/7c5312fdb1dcfdc1951b018669af88d5d6420b31
https://git.kernel.org/stable/c/de19433423c7bedabbd4f9a25f7dbc62c5e78921
https://git.kernel.org/stable/c/eda31f77317647b9fbf889779ee1fb6907651865
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2


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.



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