Use of uninitialized resource in Linux kernel - CVE-2022-49274
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104769
CSH Severity: Low
CVSS v4.0: 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
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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.
How to mitigate CVE-2022-49274
Install update from vendor's website.
Sources
- 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