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CVE-2022-49274

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix crash when mount with quota enabled There is a reported crash when mounting ocfs2 with quota enabled.

Published Feb 26, 2025CWE-908EPSS 0.28%

Overview

CVE-2022-49274 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

ocfs2: fix crash when mount with quota enabled

There is a reported crash when mounting ocfs2 with quota enabled.

RIP: 0010:ocfs2_qinfo_lock_res_init+0x44/0x50 [ocfs2]

Call Trace:

ocfs2_local_read_info+0xb9/0x6f0 [ocfs2]

dquot_load_quota_sb+0x216/0x470

dquot_load_quota_inode+0x85/0x100

ocfs2_enable_quotas+0xa0/0x1c0 [ocfs2]

ocfs2_fill_super.cold+0xc8/0x1bf [ocfs2]

mount_bdev+0x185/0x1b0

legacy_get_tree+0x27/0x40

vfs_get_tree+0x25/0xb0

path_mount+0x465/0xac0

__x64_sys_mount+0x103/0x140

It is caused by when initializing dqi_gqlock, the corresponding dqi_type

and dqi_sb are not properly initialized.

This issue is introduced by commit 6c85c2c72819, which wants to avoid

accessing uninitialized variables in error cases. So make global quota

info properly initialized.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2022-49274?

CVE-2022-49274 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-49274?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-49274?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49274?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49274 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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