What is CVE-2022-49274?

CVE-2022-49274 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15 onward and patched in 5.15.33, 5.16.19, 5.17.2 and others. CVE-2022-49274 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49274?

CVE-2022-49274 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-49274?

Yes, CVE-2022-49274 has been patched. Fixed versions include 5.15.33, 5.16.19, 5.17.2 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49274 actively exploited?

CVE-2022-49274 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49274

Medium

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.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-09-22

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-908

CVE-2022-49274 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.33, 5.16.19, 5.17.2, 5.18 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.33 5.15.x ✓ 5.16.19 5.16.x ✓ 5.17.2 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49274 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/01931e1c4e3de5d777253acae64c0e8fd071a1dd
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7c5312fdb1dcfdc1951b018669af88d5d6420b31
Patch
Kernel patch commit
https://git.kernel.org/stable/c/de19433423c7bedabbd4f9a25f7dbc62c5e78921
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49274

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-09-22

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49274?

CVE-2022-49274 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.33, 5.16.19, 5.17.2 and others. CVE-2022-49274 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49274?

CVE-2022-49274 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-49274?

Yes — CVE-2022-49274 has been patched. Fixed versions include 5.15.33, 5.16.19, 5.17.2 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49274 actively exploited?

No — CVE-2022-49274 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.