What is CVE-2024-27049?

CVE-2024-27049 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 6.7 onward and patched in 6.7.11, 6.8.2 and 6.9. CVE-2024-27049 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-27049?

CVE-2024-27049 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-2024-27049?

Yes, CVE-2024-27049 has been patched. Fixed versions include 6.7.11, 6.8.2 and 6.9. If you are running Linux kernel 6.7 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-27049 actively exploited?

CVE-2024-27049 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-2024-27049

High

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925e: fix use-after-free in free_irq() From commit a304e1b82808 ("[PATCH] Debug shared irqs"), there is a test to make sure the shared irq handler should be able to handle the unexpected event after deregistration. For this case, let's apply MT76_REMOVED flag to indicate the device was removed and do not run into the resource access anymore.

Package Linux Kernel

Published 2024-05-01

Last modified 2024-12-23

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-2024-27049 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 6.7 and later are affected. Fixed in 6.7.11, 6.8.2, 6.9 and their respective stable series.

Affected from

≥ 6.7

Fixed in

✓ 6.7.11 6.7.x ✓ 6.8.2 6.8.x ✓ 6.9

References

3 total

Kernel Git
https://git.kernel.org/stable/c/6d9930096e1f13cf6d9aabfbf95d0e05fb04144f

Patch
Kernel Git
https://git.kernel.org/stable/c/84470b48af03a818039d587478b415cbcb264ff5

Patch
Kernel Git
https://git.kernel.org/stable/c/a5a5f4413d91f395cb2d89829d376d7393ad48b9

Patch

Details

CVE ID CVE-2024-27049

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-01

Modified 2024-12-23

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-27049?

CVE-2024-27049 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 6.7 onward and has been patched in 6.7.11, 6.8.2 and 6.9. CVE-2024-27049 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-27049?

CVE-2024-27049 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-2024-27049?

Yes. CVE-2024-27049 has been patched. Fixed versions include 6.7.11, 6.8.2 and 6.9. If you are running Linux kernel 6.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-27049 actively exploited?

No. CVE-2024-27049 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.