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Unscored CVE-2023-53456 EUVD-2025-32799GHSA-vp46-h7c5-rj5w

scsi: qla4xxx: Add length check when parsing nlattrs

Published Oct 1, 2025 · Updated Nov 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux 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-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 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-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-fips 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-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-intel Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 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-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx 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-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 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 Package: linux-vmware Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

scsi: qla4xxx: Add length check when parsing nlattrs

There are three places that qla4xxx parses nlattrs:

- qla4xxx_set_chap_entry()

- qla4xxx_iface_set_param()

- qla4xxx_sysfs_ddb_set_param()

and each of them directly converts the nlattr to specific pointer of
structure without length checking. This could be dangerous as those
attributes are not validated and a malformed nlattr (e.g., length 0) could
result in an OOB read that leaks heap dirty data.

Add the nla_len check before accessing the nlattr data and return EINVAL if
the length check fails.

Affected products

VendorProductAffectedFixed
Linux Linux 3.2 4.14.326

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 6.5.3-1 —
Debian 13 linux 6.5.3-1 —
Debian 12 linux 6.1.55-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1035.37 —
Ubuntu 24.04 LTS linux-intel +9 No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-94.104 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1053.58 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1056.64 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1056.64.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1051.59 —
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1050.55 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1036.42 —
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1046.49 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1047.53 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1044.44 —
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1022.22 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1009.9 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1051.57 —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1027.31 —
Ubuntu 20.04 LTS linux 5.4.0-169.187 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1116.126 —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1053.58~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1121.128 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1056.64~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1076.82 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1120.129 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1051.59~20.04.1 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-94.104~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1063.68 —
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1046.49~20.04.1 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1048.54~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1028.29 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1104.111 —
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1022.22~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1115.124 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1051.57~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1100.112 —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1049.53~20.04.2 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1035.39 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1046.48 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1054.60 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1053.58+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-94.104+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1055.63+fips2 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1116.126+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1121.128+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1090.100 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1120.129+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 18.04 LTS linux +5 No fix yet —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1116.126~18.04.1 —
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1121.128~18.04.1 —
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1120.129~18.04.1 —
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-169.187~18.04.1 —
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1063.68~18.04.1 —
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1115.124~18.04.1 —
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1100.112~18.04.1 —
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux +3 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1
SLES 15 SP7 kernel-azure +2 6.4.0-150700.20.18.1 SUSE-SU-2025:4132-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.22.1.150700.17.15.1 SUSE-SU-2025:4057-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.73.1.150600.12.32.1 SUSE-SU-2025:03600-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.124.1 SUSE-SU-2025:03615-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.124.1.150500.6.59.1 SUSE-SU-2025:03615-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.275.1 SUSE-SU-2025:03614-1
Show 11 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.124.1.150500.6.59.1 SUSE-SU-2025:03615-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.124.1 SUSE-SU-2025:03615-1
SLE Micro 6.1 kernel-default-base 6.4.0-35.1.21.12 SUSE-SU-2025:20861-1
SLE Micro 6.1 kernel-rt +1 6.4.0-37.1 SUSE-SU-2025:20898-1
SLE Micro 6.1 kernel-source +2 6.4.0-35.1 SUSE-SU-2025:20861-1
SLE Micro 6.0 kernel-default-base 6.4.0-35.1.21.12 SUSE-SU-2025:20851-1
SLE Micro 6.0 kernel-rt +1 6.4.0-37.1 SUSE-SU-2025:20870-1
SLE Micro 6.0 kernel-source +2 6.4.0-35.1 SUSE-SU-2025:20851-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.124.1.150500.6.59.1 SUSE-SU-2025:03615-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.109.1 SUSE-SU-2025:3761-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.124.1 SUSE-SU-2025:03615-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_6 1-150700.1.3.1 SUSE-SU-2025:4141-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_6 1-150700.15.3.1 SUSE-SU-2025:4057-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_16 1-150600.1.3.1 SUSE-SU-2025:3751-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_16 1-150600.13.3.1 SUSE-SU-2025:03600-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.124.1 SUSE-SU-2025:03615-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_31 1-150500.11.3.1 SUSE-SU-2025:03615-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.275.1 SUSE-SU-2025:03614-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_73 1-8.3.1 SUSE-SU-2025:03614-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.124.1 SUSE-SU-2025:03615-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.124.1.150500.6.59.1 SUSE-SU-2025:03615-1
SUSE Real Time Module 15 SP7 kernel-rt +2 6.4.0-150700.7.22.1 SUSE-SU-2025:4141-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.55.1 SUSE-SU-2025:3751-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.73.1.150600.12.32.1 SUSE-SU-2025:03600-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.55.1 SUSE-SU-2025:3751-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.55-75.123 1.0-0.amzn2023 ALAS2023-2023-356
Amazon Linux 2023 perf +12 6.1.55-75.123.amzn2023 ALAS2023-2023-356
Amazon Linux 2 kernel-livepatch-4.14.326-245.539 1.0-0.amzn2 ALAS2-2023-2264
Amazon Linux 2 perf +8 4.14.326-245.539.amzn2 ALAS2-2023-2264

Advisories 17

References