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Unscored CVE-2026-46109 EUVD-2026-32868GHSA-q7hg-qx63-q53r

usb: ulpi: fix memory leak on ulpi_register() error paths

Published May 28, 2026 · Updated Nov 6, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.14 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-7.0 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fde-7.0 Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.14 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-7.0 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.14 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-7.0 Package: linux-hwe-edge Package: linux-ibm Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-7.0 Package: linux-nvidia-bos Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.11 Package: linux-oem-6.14 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oem-7.0 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.5 Package: linux-oracle-7.0 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.14 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.14 Package: linux-riscv-6.5 Package: linux-riscv-7.0 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

usb: ulpi: fix memory leak on ulpi_register() error paths

Commit 01af542392b5 ("usb: ulpi: fix double free in
ulpi_register_interface() error path") removed kfree(ulpi) from
ulpi_register_interface() to fix a double-free when device_register()
fails.

But when ulpi_of_register() or ulpi_read_id() fail before
device_register() is called, the ulpi allocation is leaked.

Add kfree(ulpi) on both error paths to properly clean up the allocation.

Affected products

VendorProductAffectedFixed
Linux Linux 5.10.253 – < 5.10.258, 5.15.203 – < 5.15.209, 6.1.168 – < 6.1.175, 6.6.134 – < 6.6.140, 6.12.81 – < 6.12.88, 6.18.22 – < 6.18.30, 6.19.12 – < 6.20, 7.0 5.10.258

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 linux 7.0.7-1 —
Debian 13 linux 6.12.88-1 —
Debian 12 linux 6.1.176-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS linux 7.0.0-28.28 USN-8566-1
Ubuntu 26.04 LTS linux-aws +2 7.0.0-1009.9 USN-8618-1, USN-8603-1, USN-8568-1
Ubuntu 26.04 LTS linux-gcp +1 7.0.0-1008.8 USN-8593-1, USN-8566-1
Ubuntu 26.04 LTS linux-gke 7.0.0-1003.4 USN-8566-1
Ubuntu 26.04 LTS linux-ibm +1 7.0.0-1010.10 USN-8603-1, USN-8593-1
Ubuntu 26.04 LTS linux-nvidia 7.0.0-1016.16 USN-8663-1
Ubuntu 26.04 LTS linux-nvidia-bos 7.0.0-2016.16 USN-8664-1
Ubuntu 26.04 LTS linux-raspi 7.0.0-1015.15 USN-8618-1
Ubuntu 26.04 LTS linux-riscv +1 7.0.0-28.28.1 USN-8566-1
Ubuntu 24.04 LTS linux-azure-7.0 7.0.0-1014.14~24.04.1 USN-8728-2
Ubuntu 24.04 LTS linux-azure-fde-7.0 7.0.0-1013.13~24.04.1 —
Ubuntu 24.04 LTS linux-gcp-7.0 +1 7.0.0-1011.11~24.04.1 USN-8728-3, USN-8728-1
Ubuntu 24.04 LTS linux-hwe-7.0 7.0.0-28.28~24.04.1 USN-8569-1
Ubuntu 24.04 LTS linux-nvidia-7.0 7.0.0-1016.16~24.04.1 USN-8663-1
Ubuntu 24.04 LTS linux-riscv +15 No fix yet —
Ubuntu 24.04 LTS linux-riscv-7.0 7.0.0-28.28.1~24.04.3 —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 No fix yet —

SUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +7 6.4.0-150700.53.78.1 SUSE-SU-2026:3790-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.78.1.150700.17.43.2 SUSE-SU-2026:3790-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.130.1 SUSE-SU-2026:3602-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.130.1.150600.12.60.3 SUSE-SU-2026:3602-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.182.1 SUSE-SU-2026:3595-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.182.1.150500.6.85.2 SUSE-SU-2026:3595-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.323.1 SUSE-SU-2026:3594-1
Show 19 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 kernel-64kb +8 6.12.0-160000.37.1 SUSE-SU-2026:23231-1, SUSE-SU-2026:23221-1
SLES for SAP 16.0 kernel-default-base 6.12.0-160000.37.1.160000.2.19 SUSE-SU-2026:23231-1, SUSE-SU-2026:23221-1
SLES for SAP 15 SP6 kernel-default-base 6.4.0-150600.23.130.1.150600.12.60.3 SUSE-SU-2026:3602-1
SLES for SAP 15 SP6 kernel-docs +4 6.4.0-150600.23.130.1 SUSE-SU-2026:3602-1
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.182.1.150500.6.85.2 SUSE-SU-2026:3595-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.182.1 SUSE-SU-2026:3595-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLES 16.0 kernel-64kb +8 6.12.0-160000.37.1 SUSE-SU-2026:23237-1, SUSE-SU-2026:23231-1, SUSE-SU-2026:23221-1
SLES 16.0 kernel-default-base 6.12.0-160000.37.1.160000.2.19 SUSE-SU-2026:23231-1, SUSE-SU-2026:23221-1
SLE Micro 6.2 kernel-default-base 6.12.0-160000.37.1.160000.2.19 SUSE-SU-2026:23068-1
SLE Micro 6.2 kernel-rt +5 6.12.0-160000.37.1 SUSE-SU-2026:23068-1, SUSE-SU-2026:23066-1
SLE Micro 6.1 kernel-rt +4 6.4.0-51.1 SUSE-SU-2026:23194-1, SUSE-SU-2026:23193-1
SLE Micro 6.0 kernel-rt +4 6.4.0-51.1 SUSE-SU-2026:23244-1, SUSE-SU-2026:23241-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.182.1.150500.6.85.2 SUSE-SU-2026:3595-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.156.1 SUSE-SU-2026:3617-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.182.1 SUSE-SU-2026:3595-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.181.1 SUSE-SU-2026:3616-1
SLE Micro 5.4 kernel-source +1 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.181.1 SUSE-SU-2026:3616-1
SLE Micro 5.3 kernel-source +1 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.78.1 SUSE-SU-2026:3790-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_19 1-150700.1.5.1 SUSE-SU-2026:3810-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_20 1-150700.15.3.2 SUSE-SU-2026:3790-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.130.1 SUSE-SU-2026:3602-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_30 1-150600.13.5.1 SUSE-SU-2026:3602-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.182.1 SUSE-SU-2026:3595-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_44 1-150500.11.5.1 SUSE-SU-2026:3595-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_58 1-150400.9.7.1 SUSE-SU-2026:3593-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.323.1 SUSE-SU-2026:3594-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_86 1-8.3.1 SUSE-SU-2026:3594-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.182.1 SUSE-SU-2026:3595-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.182.1.150500.6.85.2 SUSE-SU-2026:3595-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SUSE Real Time Module 15 SP7 kernel-rt +2 6.4.0-150700.7.72.1 SUSE-SU-2026:3810-1

openSUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed kernel-source 7.0.11-1.1 openSUSE-SU-2026:10954-1
openSUSE Leap 16.0 kernel-default-base 6.12.0-160000.37.1.160000.2.19 openSUSE-SU-2026:21555-1
openSUSE Leap 16.0 kernel-rt +11 6.12.0-160000.37.1 openSUSE-SU-2026:21555-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.141.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-204.92.4.2.el10uek ELSA-2026-50372

Advisories 32

References