SB20250226603 - Use of uninitialized resource in Linux kernel ocfs2
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226603
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2022-49274)
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.
Remediation
Install update from vendor's website.
References
- 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