What is CVE-2026-43108?

CVE-2026-43108 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.11 onward and patched in 6.12.83, 6.18.24, 6.19.14 and others. CVE-2026-43108 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-43108?

CVE-2026-43108 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-2026-43108?

Yes, CVE-2026-43108 has been patched. Fixed versions include 6.12.83, 6.18.24, 6.19.14 and others. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-43108 actively exploited?

CVE-2026-43108 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-43108

Medium

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pd-mapper: Fix element length in servreg_loc_pfr_req_ei It looks element length declared in servreg_loc_pfr_req_ei for reason not matching servreg_loc_pfr_req's reason field due which we could observe decoding error on PD crash. qmi_decode_string_elem: String len 81 >= Max Len 65 Fix this by matching with servreg_loc_pfr_req's reason field.

Package Linux Kernel

Published 2026-05-06

Last modified 2026-05-11

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 6.11 and later are affected. Fixed in 6.12.83, 6.18.24, 6.19.14, 7.0 and their respective stable series.

Affected from

≥ 6.11

Fixed in

✓ 6.12.83 6.12.x ✓ 6.18.24 6.18.x ✓ 6.19.14 6.19.x ✓ 7.0

References

The following references provide additional information about CVE-2026-43108 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/641f6fda143b879da1515f821ee475073678cf2a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7d75145672cf2ec7c5417e3243af72c48314f7bb
Patch
Kernel patch commit
https://git.kernel.org/stable/c/c93ca7c5a72e23a83a0b96f7f5c41a7a72f1dc47
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2026-43108

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-05-06

Modified 2026-05-11

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-43108?

CVE-2026-43108 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.11 onward and has been patched in 6.12.83, 6.18.24, 6.19.14 and others. CVE-2026-43108 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-43108?

CVE-2026-43108 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-2026-43108?

Yes — CVE-2026-43108 has been patched. Fixed versions include 6.12.83, 6.18.24, 6.19.14 and others. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-43108 actively exploited?

No — CVE-2026-43108 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.