PT-2026-43776 · Linux+2 · Linux+90

Published 2026-05-27 · Updated 2026-05-27 · CVE-2026-45909

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the mediatek clock driver where mtk gate structs were marked with initconst annotations. Because these structs are utilized during runtime and not only for initialization or registration, the use of initconst is inappropriate.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-45909

Affected Products

Linux

Linux-Allwinner-5.19

Linux-Aws-5.0

Linux-Aws-5.11

Linux-Aws-5.13

Linux-Aws-5.19

Linux-Aws-5.3

Linux-Aws-5.8

Linux-Aws-6.14

Linux-Aws-6.2

Linux-Aws-6.5

Linux-Azure

Linux-Azure-5.11

Linux-Azure-5.13

Linux-Azure-5.19

Linux-Azure-5.3

Linux-Azure-5.8

Linux-Azure-6.11

Linux-Azure-6.2

Linux-Azure-6.5

Linux-Azure-Edge

Linux-Azure-Fde

Linux-Azure-Fde-5.19

Linux-Azure-Fde-6.2

Linux-Bluefield

Linux-Gcp

Linux-Gcp-5.11

Linux-Gcp-5.13

Linux-Gcp-5.19

Linux-Gcp-5.3

Linux-Gcp-5.8

Linux-Gcp-6.11

Linux-Gcp-6.14

Linux-Gcp-6.2

Linux-Gcp-6.5

Linux-Gke

Linux-Gke-4.15

Linux-Gkeop-5.15

Linux-Gke-5.4

Linux-Gkeop

Linux-Hwe

Linux-Hwe-5.11

Linux-Hwe-5.13

Linux-Hwe-5.19

Linux-Hwe-5.8

Linux-Hwe-6.11

Linux-Hwe-6.14

Linux-Hwe-6.2

Linux-Hwe-6.5

Linux-Hwe-Edge

Linux-Intel-5.13

Linux-Intel-Iot-Realtime

Linux-Lowlatency-Hwe-5.19

Linux-Lowlatency-Hwe-6.11

Linux-Lowlatency-Hwe-6.2

Linux-Lowlatency-Hwe-6.5

Linux-Nvidia-6.11

Linux-Nvidia-6.2

Linux-Nvidia-6.5

Linux-Oem

Linux-Oem-5.10

Linux-Oem-5.13

Linux-Oem-5.14

Linux-Oem-5.17

Linux-Oem-5.6

Linux-Oem-6.0

Linux-Oem-6.1

Linux-Oem-6.11

Linux-Oem-6.14

Linux-Oem-6.5

Linux-Oem-6.8

Linux-Oracle-5.0

Linux-Oracle-5.11

Linux-Oracle-5.13

Linux-Oracle-5.3

Linux-Oracle-5.8

Linux-Oracle-6.14

Linux-Oracle-6.5

Linux-Raspi-Realtime

Linux-Raspi2

Linux-Realtime

Linux-Realtime-6.14

Linux-Riscv

Linux-Riscv-5.11

Linux-Riscv-5.19

Linux-Riscv-5.8

Linux-Riscv-6.14

Linux-Riscv-6.5

Linux-Starfive-5.19

Linux-Starfive-6.2

Linux-Starfive-6.5

References · 10

• https://security-tracker.debian.org/tracker/CVE-2026-45909 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-45909 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-45909 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-45909 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-45909 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45909 · Vendor Advisory
• https://git.kernel.org/linus/871afb43e41ad4e8246438de495a939cd0f8113c · Note
• https://git.kernel.org/stable/c/866d8ecc4e789f7d73d6cafd1b122d1b6032b3b1 · Note
• https://git.kernel.org/stable/c/1debd9ba7eb18af8fb63dc93517c6bbcab0e31ee · Note
• https://git.kernel.org/stable/c/871afb43e41ad4e8246438de495a939cd0f8113c · Note