What is CVE-2024-42075?

CVE-2024-42075 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 6.9 onward and patched in 6.9.8 and 6.10. CVE-2024-42075 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-42075?

CVE-2024-42075 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-2024-42075?

Yes, CVE-2024-42075 has been patched. Fixed versions include 6.9.8 and 6.10. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-42075 actively exploited?

CVE-2024-42075 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-2024-42075

Medium

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arena_vm_close.

Package Linux Kernel

Published 2024-07-29

Last modified 2024-11-21

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-416

CVE-2024-42075 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 6.9 and later are affected. Fixed in 6.9.8, 6.10 and their respective stable series.

Affected from

≥ 6.9

Fixed in

✓ 6.9.8 6.9.x ✓ 6.10

References

2 total

Kernel Git
https://git.kernel.org/stable/c/87496a1b01e8e2e399428c0db25e106f7961d01e

Patch
Kernel Git
https://git.kernel.org/stable/c/b90d77e5fd784ada62ddd714d15ee2400c28e1cf

Patch

Details

CVE ID CVE-2024-42075

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-29

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-42075?

CVE-2024-42075 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 6.9 onward and has been patched in 6.9.8 and 6.10. CVE-2024-42075 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-42075?

CVE-2024-42075 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-2024-42075?

Yes. CVE-2024-42075 has been patched. Fixed versions include 6.9.8 and 6.10. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-42075 actively exploited?

No. CVE-2024-42075 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.