What is CVE-2024-27027?

CVE-2024-27027 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.7 onward and patched in 6.7.11, 6.8.2 and 6.9. CVE-2024-27027 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-27027?

CVE-2024-27027 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-2024-27027?

Yes, CVE-2024-27027 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-2024-27027 actively exploited?

CVE-2024-27027 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-27027

Medium

In the Linux kernel, the following vulnerability has been resolved: dpll: fix dpll_xa_ref_*_del() for multiple registrations Currently, if there are multiple registrations of the same pin on the same dpll device, following warnings are observed: WARNING: CPU: 5 PID: 2212 at drivers/dpll/dpll_core.c:143 dpll_xa_ref_pin_del.isra.0+0x21e/0x230 WARNING: CPU: 5 PID: 2212 at drivers/dpll/dpll_core.c:223 __dpll_pin_unregister+0x2b3/0x2c0 The problem is, that in both dpll_xa_ref_dpll_del() and dpll_xa_ref_pin_del() registration is only removed from list in case the reference count drops to zero. That is wrong, the registration has to be removed always. To fix this, remove the registration from the list and free it unconditionally, instead of doing it only when the ref reference counter reaches zero.

Package Linux Kernel

Published 2024-05-01

Last modified 2025-09-18

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

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/769324eb35143462542cdb15483cdaf4877bf661

Patch
Kernel Git
https://git.kernel.org/stable/c/b27e32e9367dac024cd6f61f22655714f483fd67

Patch
Kernel Git
https://git.kernel.org/stable/c/b446631f355ece73b13c311dd712c47381a23172

Patch

Details

CVE ID CVE-2024-27027

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-01

Modified 2025-09-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-27027?

CVE-2024-27027 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.7 onward and has been patched in 6.7.11, 6.8.2 and 6.9. CVE-2024-27027 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-27027?

CVE-2024-27027 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-2024-27027?

Yes. CVE-2024-27027 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-2024-27027 actively exploited?

No. CVE-2024-27027 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.