What is CVE-2024-42280?

CVE-2024-42280 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 2.6.27 onward and patched in 4.19.320, 5.4.282, 5.10.224 and others. CVE-2024-42280 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-42280?

CVE-2024-42280 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-2024-42280?

Yes, CVE-2024-42280 has been patched. Fixed versions include 4.19.320, 5.4.282, 5.10.224 and others. If you are running Linux kernel 2.6.27 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-42280 actively exploited?

CVE-2024-42280 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2024-42280

High

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix a use after free in hfcmulti_tx() Don't dereference *sp after calling dev_kfree_skb(*sp).

Package Linux Kernel

Published 2024-08-17

Last modified 2025-11-03

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-416

CVE-2024-42280 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 2.6.27 and later are affected. Fixed in 4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.103, 6.6.44, 6.10.3, 6.11 and their respective stable series.

Affected from

≥ 2.6.27

Fixed in

✓ 4.19.320 4.19.x ✓ 5.4.282 5.4.x ✓ 5.10.224 5.10.x ✓ 5.15.165 5.15.x ✓ 6.1.103 6.1.x ✓ 6.6.44 6.6.x ✓ 6.10.3 6.10.x ✓ 6.11

References

10 total

Kernel Git
https://git.kernel.org/stable/c/4d8b642985ae24f4b3656438eb8489834a17bb80

Patch
Kernel Git
https://git.kernel.org/stable/c/61ab751451f5ebd0b98e02276a44e23a10110402

Patch
Kernel Git
https://git.kernel.org/stable/c/70db2c84631f50e02e6b32b543700699dd395803

Patch
Kernel Git
https://git.kernel.org/stable/c/7e4a539bca7d8d20f2c5d93c18cce8ef77cd78e0

Patch
Kernel Git
https://git.kernel.org/stable/c/8f4030277dfb9dbe04fd78566b19931097c9d629

Patch

Showing 5 of 10 references View all on NVD

Details

CVE ID CVE-2024-42280

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-08-17

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-42280?

CVE-2024-42280 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 2.6.27 onward and has been patched in 4.19.320, 5.4.282, 5.10.224 and others. CVE-2024-42280 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-42280?

CVE-2024-42280 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-2024-42280?

Yes. CVE-2024-42280 has been patched. Fixed versions include 4.19.320, 5.4.282, 5.10.224 and others. If you are running Linux kernel 2.6.27 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-42280 actively exploited?

No. CVE-2024-42280 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.