What is CVE-2024-42154?

CVE-2024-42154 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10, affecting Linux kernel versions from 3.14 onward and patched in 4.19.318, 5.4.280, 5.10.222 and others. CVE-2024-42154 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-42154?

CVE-2024-42154 has a CVSS score of 4.4 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Is there a patch available for CVE-2024-42154?

Yes, CVE-2024-42154 has been patched. Fixed versions include 4.19.318, 5.4.280, 5.10.222 and others. If you are running Linux kernel 3.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-42154 actively exploited?

CVE-2024-42154 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-42154

Medium

In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: validate source addr length I don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4 is at least 4 bytes long, and the policy doesn't have an entry for this attribute at all (neither does it for IPv6 but v6 is manually validated).

Package Linux Kernel

Published 2024-07-30

Last modified 2025-11-03

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

4.4

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Vector string

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

Weakness type

CWE-754

CVE-2024-42154 is classified as CWE-754

See CWE-754 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 3.14 and later are affected. Fixed in 4.19.318, 5.4.280, 5.10.222, 5.15.163, 6.1.98, 6.6.39, 6.9.9, 6.10 and their respective stable series.

Affected from

≥ 3.14

Fixed in

✓ 4.19.318 4.19.x ✓ 5.4.280 5.4.x ✓ 5.10.222 5.10.x ✓ 5.15.163 5.15.x ✓ 6.1.98 6.1.x ✓ 6.6.39 6.6.x ✓ 6.9.9 6.9.x ✓ 6.10

References

13 total

Kernel Git
https://git.kernel.org/stable/c/19d997b59fa1fd7a02e770ee0881c0652b9c32c9

Mailing List Patch
Kernel Git
https://git.kernel.org/stable/c/2a2e79dbe2236a1289412d2044994f7ab419b44c

Mailing List Patch
Kernel Git
https://git.kernel.org/stable/c/31f03bb04146c1c6df6c03e9f45401f5f5a985d3

Mailing List Patch
Kernel Git
https://git.kernel.org/stable/c/3d550dd5418729a6e77fe7721d27adea7152e321

Mailing List Patch
Kernel Git
https://git.kernel.org/stable/c/66be40e622e177316ae81717aa30057ba9e61dff

Mailing List Patch

Showing 5 of 13 references View all on NVD

Details

CVE ID CVE-2024-42154

Severity Medium

CVSS score 4.4 / 10

CVSS version 3.1

Published 2024-07-30

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-42154?

CVE-2024-42154 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 . It affects Linux kernel versions from 3.14 onward and has been patched in 4.19.318, 5.4.280, 5.10.222 and others. CVE-2024-42154 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-42154?

CVE-2024-42154 has a CVSS score of 4.4 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:L/I:L/A:N.
Is there a patch available for CVE-2024-42154?

Yes. CVE-2024-42154 has been patched. Fixed versions include 4.19.318, 5.4.280, 5.10.222 and others. If you are running Linux kernel 3.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-42154 actively exploited?

No. CVE-2024-42154 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.