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Unscored CVE-2022-48907 EUVD-2022-53786GHSA-cvq3-56r9-hh2h

auxdisplay: lcd2s: Fix memory leak in ->remove()

Published Aug 22, 2024 · Updated May 11, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux-allwinner-5.19 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-6.2 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-6.2 Package: linux-azure-6.5 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 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-6.2 Package: linux-gcp-6.5 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 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-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-nvidia-6.2 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-6.5 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-6.5 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

auxdisplay: lcd2s: Fix memory leak in ->remove()

Once allocated the struct lcd2s_data is never freed.
Fix the memory leak by switching to devm_kzalloc().

Affected products

VendorProductAffectedFixed
Linux Linux 5.11 5.15.27

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.

ReleasePackageFixed inAdvisory
Debian 14 linux 5.16.14-1 —
Debian 13 linux 5.16.14-1 —
Debian 12 linux 5.16.14-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-riscv +31 No fix yet —
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1008.11~20.04.1 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +4 5.14.21-150500.55.80.2 SUSE-SU-2024:3483-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.66.1 SUSE-SU-2024:3190-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.80.2.150500.6.35.6 SUSE-SU-2024:3483-1
SLES 15 SP5 kernel-syms +1 5.14.21-150500.55.80.1 SUSE-SU-2024:3483-1
SLES 15 SP4 kernel-64kb +4 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SLES 15 SP4 kernel-docs +1 5.14.21-150400.24.133.1 SUSE-SU-2024:3408-1
Show 10 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SLES for SAP 15 SP4 kernel-docs +1 5.14.21-150400.24.133.1 SUSE-SU-2024:3408-1
SLES for SAP 15 SP4 kernel-source +2 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.80.2 SUSE-SU-2024:3483-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.80.2.150500.6.35.6 SUSE-SU-2024:3483-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.67.3 SUSE-SU-2024:3209-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.91.3 SUSE-SU-2024:3227-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.91.3 SUSE-SU-2024:3227-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.80.2 SUSE-SU-2024:3483-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_19 +1 1-150500.11.3.2 SUSE-SU-2024:3483-1, SUSE-SU-2024:3209-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_31 1-150400.9.3.2 SUSE-SU-2024:3408-1
SLE HPC 15 SP4 kernel-64kb +3 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SLE HPC 15 SP4 kernel-docs +1 5.14.21-150400.24.133.1 SUSE-SU-2024:3408-1
SUSE Real Time Module 15 SP5 kernel-rt +2 5.14.21-150500.13.67.3 SUSE-SU-2024:3209-1
SUSE Real Time Module 15 SP5 kernel-syms-rt 5.14.21-150500.13.67.1 SUSE-SU-2024:3209-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SUSE Manager Server 4.3 kernel-source +2 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SUSE Manager Server 4.3 kernel-syms 5.14.21-150400.24.133.1 SUSE-SU-2024:3408-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.133.2.150400.24.64.5 SUSE-SU-2024:3408-1
SUSE Manager Proxy 4.3 kernel-source +1 5.14.21-150400.24.133.2 SUSE-SU-2024:3408-1
SUSE Manager Proxy 4.3 kernel-syms 5.14.21-150400.24.133.1 SUSE-SU-2024:3408-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +3 5.14.21-150500.55.80.1 SUSE-SU-2024:3483-1
openSUSE Leap 15.5 kernel-64kb +6 5.14.21-150500.55.80.2 SUSE-SU-2024:3483-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.66.1 SUSE-SU-2024:3190-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.80.2.150500.6.35.6 SUSE-SU-2024:3483-1
openSUSE Leap 15.5 kernel-rt +2 5.14.21-150500.13.67.3 SUSE-SU-2024:3209-1
openSUSE Leap 15.5 kernel-syms-rt 5.14.21-150500.13.67.1 SUSE-SU-2024:3209-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.5 kernel-default 5.14.21-150500.55.80.2 SUSE-SU-2024:3483-1
openSUSE Leap Micro 5.5 kernel-default-base 5.14.21-150500.55.80.2.150500.6.35.6 SUSE-SU-2024:3483-1
openSUSE Leap Micro 5.5 kernel-rt 5.14.21-150500.13.67.3 SUSE-SU-2024:3209-1

Advisories 6

References