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linux-hwe-edge

linux-aws-5.0

linux-aws-5.3

linux-azure

linux-azure-5.3

linux-azure-edge

linux-gcp

linux-gcp-5.3

linux-gke-4.15

linux-gke-5.4

linux-gkeop-5.4

linux-hwe

linux-oem

linux-oracle-5.0

linux-oracle-5.3

linux-aws-5.11

linux-aws-5.13

linux-aws-5.8

linux-azure-5.11

linux-azure-5.13

linux-azure-5.8

linux-azure-fde

linux-gcp-5.11

linux-gcp-5.13

linux-gcp-5.8

linux-gke

linux-gke-5.15

linux-gkeop

linux-gkeop-5.15

linux-hwe-5.11

linux-hwe-5.13

linux-hwe-5.8

linux-intel-5.13

linux-oem-5.10

linux-oem-5.13

linux-oem-5.14

linux-oem-5.6

linux-oracle-5.11

linux-oracle-5.13

linux-oracle-5.8

linux-raspi2

linux-riscv

linux-riscv-5.11

linux-riscv-5.8

linux-allwinner-5.19

linux-aws-5.19

linux-aws-6.2

linux-aws-6.5

linux-aws-6.8

linux-azure-5.19

linux-azure-6.2

linux-azure-6.5

linux-azure-6.8

linux-azure-fde-5.19

linux-azure-fde-6.2

linux-azure-fde-6.8

linux-gcp-5.19

linux-gcp-6.2

linux-gcp-6.5

linux-gcp-6.8

linux-hwe-5.19

linux-hwe-6.2

linux-hwe-6.5

linux-hwe-6.8

linux-ibm-6.8

linux-intel-iot-realtime

linux-lowlatency-hwe-5.19

linux-lowlatency-hwe-6.2

linux-lowlatency-hwe-6.5

linux-lowlatency-hwe-6.8

linux-nvidia-6.2

linux-nvidia-6.5

linux-nvidia-6.8

linux-oem-5.17

linux-oem-6.0

linux-oem-6.1

linux-oem-6.5

linux-oracle-6.5

linux-oracle-6.8

linux-realtime

linux-riscv-5.19

linux-riscv-6.5

linux-riscv-6.8

linux-starfive-5.19

linux-starfive-6.2

linux-starfive-6.5

linux-realtime-6.8

linux

linux-aws

linux-aws-6.14

linux-aws-6.17

linux-azure-6.11

linux-azure-6.14

linux-azure-6.17

linux-azure-fde-6.14

linux-azure-fde-6.17

A vulnerability in the Linux kernel's hardware monitoring subsystem (hwmon) related to the powerz driver was fixed. The issue involved missing calls to usb_kill_urb() when signal interrupts occurred during usb transfer operations, potentially causing reads from uninitialized transfer buffers. This flaw was addressed by properly handling signal and timeout cases to abort USB requests correctly. The vulnerability affects numerous Linux kernel versions prior to 7.0.0-27.27 and various specific kernel builds. The fix is available and included in updated Linux kernel packages. The vulnerability has a medium severity score and does not impact confidentiality or integrity but affects availability.

CVE-2026-46073 is a Linux kernel vulnerability in the hwmon (hardware monitoring) subsystem's powerz driver. The flaw occurs because the function wait_for_completion_interruptible_timeout() returns -ERESTARTSYS on signal interrupts, but the original code only handled the timeout case (return 0) to call usb_kill_urb(). When interrupted by a signal, usb_kill_urb() was not called, leading to potential reads from an unfilled USB transfer buffer, which is invalid. The fix involves capturing the return value properly and ensuring usb_kill_urb() is called in both signal and timeout cases before returning. This prevents invalid buffer reads and potential kernel instability. The vulnerability affects many Linux kernel versions prior to 7.0.0-27.27 and is addressed in updated kernel packages. The CVSS v3.1 score is 5.5 (medium severity) with an attack vector of local, low complexity, requiring low privileges, no user interaction, and impacting availability only. No known exploits in the wild have been reported. The vendor advisory from Ubuntu confirms the availability of patches and recommends updating and rebooting systems.

Detailed information about UBUNTU-CVE-2026-46073 affecting null linux-hwe-edge. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2026-46073 - Live Threat Intelligence - Threat Radar | OffSeq.com

Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: hwmon: (powerz) Fix missing usb_kill_urb() on signal interrupt… (CVE-2026-46073)

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