What is CVE-2022-49384?

CVE-2022-49384 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 5.15.17 onward and patched in 5.15.46, 5.17.14, 5.18.3 and others. CVE-2022-49384 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49384?

CVE-2022-49384 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-49384?

Yes, CVE-2022-49384 has been patched. Fixed versions include 5.15.46, 5.17.14, 5.18.3 and others. If you are running Linux kernel 5.15.17 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49384 actively exploited?

CVE-2022-49384 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49384

High

In the Linux kernel, the following vulnerability has been resolved: md: fix double free of io_acct_set bioset Now io_acct_set is alloc and free in personality. Remove the codes that free io_acct_set in md_free and md_stop.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-415

CVE-2022-49384 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.15.17, 5.16.3, 5.17 and later are affected. Fixed in 5.15.46, 5.17.14, 5.18.3, 5.19 and their respective stable series.

Affected from

≥ 5.15.17 ≥ 5.16.3 ≥ 5.17

Fixed in

✓ 5.15.46 5.15.x ✓ 5.17.14 5.17.x ✓ 5.18.3 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49384 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/36a2fc44c574a59ee3b5e2cb327182f227b2b07e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/42b805af102471f53e3c7867b8c2b502ea4eef7e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ea7d7bd90079d96f9c86bdaf0b106e0cd2a70661
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49384

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49384?

CVE-2022-49384 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.15.17 onward and has been patched in 5.15.46, 5.17.14, 5.18.3 and others. CVE-2022-49384 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49384?

CVE-2022-49384 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-49384?

Yes — CVE-2022-49384 has been patched. Fixed versions include 5.15.46, 5.17.14, 5.18.3 and others. If you are running Linux kernel 5.15.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49384 actively exploited?

No — CVE-2022-49384 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.