What is CVE-2022-49588?

CVE-2022-49588 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Race Condition flaw (CWE-362), affecting Linux kernel versions from 5.10.188 onward and patched in 5.15.58, 5.18.15 and 5.19. CVE-2022-49588 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49588?

CVE-2022-49588 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-49588?

Yes, CVE-2022-49588 has been patched. Fixed versions include 5.15.58, 5.18.15 and 5.19. If you are running Linux kernel 5.10.188 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49588 actively exploited?

CVE-2022-49588 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2022-49588

Medium

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_migrate_req. While reading sysctl_tcp_migrate_req, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2022-49588 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.10.188, 5.14 and later are affected. Fixed in 5.15.58, 5.18.15, 5.19 and their respective stable series.

Affected from

≥ 5.10.188 ≥ 5.14

Fixed in

✓ 5.15.58 5.15.x ✓ 5.18.15 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49588 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/4177f545895b1da08447a80692f30617154efa6e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6e569a11eea20a1ccebc3c4e6366bf0574a449e1
Patch
Kernel patch commit
https://git.kernel.org/stable/c/fcf6c6d8aeffebca66f37b17ef1b57112e5e09c1
Patch

Details

CVE ID CVE-2022-49588

Severity Medium

CVSS score 4.7 / 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-2022-49588?

CVE-2022-49588 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Race Condition flaw (CWE-362) . It affects Linux kernel versions from 5.10.188 onward and has been patched in 5.15.58, 5.18.15 and 5.19. CVE-2022-49588 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49588?

CVE-2022-49588 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-49588?

Yes — CVE-2022-49588 has been patched. Fixed versions include 5.15.58, 5.18.15 and 5.19. If you are running Linux kernel 5.10.188 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49588 actively exploited?

No — CVE-2022-49588 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →