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OpenAdvisories
Medium · 5.5 CVE-2025-21996 EUVD-2025-9590GHSA-p42v-4mrm-3j3g

drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse()

Published Apr 3, 2025 · Updated May 11, 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-5.15 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-6.8 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-6.8 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-azure-nvidia 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-6.8 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-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 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-lowlatency-hwe-6.8 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency 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-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 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-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse()

On the off chance that command stream passed from userspace via
ioctl() call to radeon_vce_cs_parse() is weirdly crafted and
first command to execute is to encode (case 0x03000001), the function
in question will attempt to call radeon_vce_cs_reloc() with size
argument that has not been properly initialized. Specifically, 'size'
will point to 'tmp' variable before the latter had a chance to be
assigned any value.

Play it safe and init 'tmp' with 0, thus ensuring that
radeon_vce_cs_reloc() will catch an early error in cases like these.

Found by Linux Verification Center (linuxtesting.org) with static
analysis tool SVACE.

(cherry picked from commit 2d52de55f9ee7aaee0e09ac443f77855989c6b68)

Affected products

VendorProductAffectedFixed
Linux Linux 3.15 5.4.292

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 6.12.21-1 —
Debian 13 linux 6.12.21-1 —
Debian 12 linux 6.1.133-1 DSA-5900-1
Debian 11 linux 5.10.237-1 DLA-4178-1
Debian 11 linux-6.1 6.1.137-1~deb11u1 DLA-4193-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1069.71 —
Ubuntu 24.04 LTS linux 6.8.0-84.84 USN-7764-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1039.41 USN-7764-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1038.44 USN-7802-1
Ubuntu 24.04 LTS linux-azure-6.11 6.11.0-1018.18~24.04.1 USN-7628-1
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1025.27 USN-7809-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1040.42 USN-7764-1
Ubuntu 24.04 LTS linux-gcp-6.11 6.11.0-1016.16~24.04.1 USN-7605-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1036.40 USN-7764-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1023.25 USN-7764-1
Ubuntu 24.04 LTS linux-hwe-6.11 6.11.0-28.28~24.04.1 USN-7605-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1037.37 USN-7779-1
Ubuntu 24.04 LTS linux-intel +4 No fix yet —
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-84.84.1 USN-7764-1
Ubuntu 24.04 LTS linux-lowlatency-hwe-6.11 6.11.0-1015.16~24.04.2 USN-7605-2
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1039.42 USN-7765-1
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1012.12 —
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1039.42.1 USN-7765-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1010.10 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1024.24 USN-7606-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1037.38 USN-7801-2
Ubuntu 24.04 LTS linux-raspi 6.8.0-1039.43 USN-7790-1
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1018.19 —
Ubuntu 22.04 LTS linux +1 5.15.0-142.152 USN-7591-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1086.93 USN-7591-4
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1039.41~22.04.1 USN-7766-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1091.100 USN-7597-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1036.42~22.04.1 USN-7802-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1091.100.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1085.94 USN-7591-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1040.42~22.04.1 USN-7766-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1083.89 USN-7591-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1068.76 USN-7591-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-85.85~22.04.1 USN-7801-1, USN-7764-2
Ubuntu 22.04 LTS linux-ibm 5.15.0-1078.81 USN-7591-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1037.37~22.04.1 USN-7779-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1081.87 USN-7591-5
Ubuntu 22.04 LTS linux-kvm 5.15.0-1082.87 USN-7591-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-84.84.1~22.04.1 USN-7764-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1080.81 USN-7591-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1039.42~22.04.1 USN-7765-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1039.39 USN-7591-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1028.28 USN-7591-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1037.38~22.04.1 USN-7801-3
Ubuntu 22.04 LTS linux-raspi 5.15.0-1080.83 USN-7591-6
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-84.84~22.04.1 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1050.54 USN-7602-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 16 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-raspi-realtime 6.8.0-2030.31 USN-7800-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1034.35 USN-7767-1
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1079.81 USN-7591-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1086.95 USN-7591-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1034.35~22.04.1 USN-7767-2
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 24.04 LTS linux-aws-fips 6.8.0-1039.41+fips1 —
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1040.46+fips1 —
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-84.84+fips1 —
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1040.42+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1086.93+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1091.100+fips1 USN-7597-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-142.152+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1085.94+fips1 USN-7591-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1147.157+fips1 USN-7585-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1153.160+fips1 USN-7585-3
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1121.131 USN-7585-3
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1150.159+fips1 USN-7585-2
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 20.04 LTS linux 5.4.0-218.238 USN-7585-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1147.157 USN-7585-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1086.93~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1152.159 USN-7585-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1091.100~20.04.1 USN-7598-1
Ubuntu Pro 20.04 LTS linux-bluefield 5.4.0-1106.113 USN-7585-6
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1150.159 USN-7585-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1085.94~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-142.152~20.04.1 USN-7593-1, USN-7592-1
Ubuntu Pro 20.04 LTS linux-ibm 5.4.0-1093.98 USN-7585-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 5.15.0-1078.81~20.04.1 USN-7592-1
Ubuntu Pro 20.04 LTS linux-iot 5.4.0-1051.54 USN-7640-1
Ubuntu Pro 20.04 LTS linux-kvm 5.4.0-1134.143 USN-7585-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1039.39~20.04.1 —
Ubuntu Pro 20.04 LTS linux-oracle 5.4.0-1145.155 USN-7585-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 +1 5.15.0-1083.89~20.04.1 USN-7655-1, USN-7592-1
Ubuntu Pro 20.04 LTS linux-raspi 5.4.0-1130.143 USN-7585-7
Ubuntu Pro 20.04 LTS linux-riscv-5.15 5.15.0-1081.85~20.04.1 —
Ubuntu Pro 20.04 LTS linux-xilinx-zynqmp 5.4.0-1065.69 USN-7585-1
Ubuntu Pro 18.04 LTS linux +5 No fix yet —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1147.157~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1152.159~18.04.1 USN-7585-4
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1150.159~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-218.238~18.04.1 USN-7585-5
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1093.98~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1145.155~18.04.1 USN-7585-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1130.143~18.04.1 USN-7585-7
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux-aws +2 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.3.1 SUSE-SU-2025:01951-1
SLES 15 SP7 kernel-azure +2 6.4.0-150700.20.3.1 SUSE-SU-2025:01967-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.3.1.150700.17.2.1 SUSE-SU-2025:01951-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.37.1 SUSE-SU-2025:01707-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.21.coco15sp6.1 SUSE-SU-2025:01919-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.50.1.150600.12.22.1 SUSE-SU-2025:01614-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.255.1 SUSE-SU-2025:1293-1
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 6.1 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_7 1-1.3 SUSE-SU-2025:20283-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_6 1-3.1 SUSE-SU-2025:20270-1
SLE Micro 6.1 kernel-rt +1 6.4.0-30.1 SUSE-SU-2025:20283-1
SLE Micro 6.1 kernel-source +2 6.4.0-28.1 SUSE-SU-2025:20270-1
SLE Micro 6.0 kernel-default-base 6.4.0-28.1.21.6 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_7 1-1.3 SUSE-SU-2025:20206-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_6 1-3.1 SUSE-SU-2025:20192-1
SLE Micro 6.0 kernel-rt +1 6.4.0-30.1 SUSE-SU-2025:20206-1
SLE Micro 6.0 kernel-source +2 6.4.0-28.1 SUSE-SU-2025:20192-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.3.1 SUSE-SU-2025:01951-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_1 1-150700.15.3.1 SUSE-SU-2025:01951-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_11 1-150600.1.3.2 SUSE-SU-2025:01964-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_11 1-150600.13.3.1 SUSE-SU-2025:01614-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.255.1 SUSE-SU-2025:1293-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_67 1-8.5.1 SUSE-SU-2025:1293-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.39.1 SUSE-SU-2025:01964-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.50.1 SUSE-SU-2025:01614-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.37.1 SUSE-SU-2025:01707-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.50.1.150600.12.22.1 SUSE-SU-2025:01614-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.39.1 SUSE-SU-2025:01964-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.85.1-2 —
Azure Linux 2 (CBL-Mariner) kernel 5.15.180.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-101.33.4.3.el10uek ELSA-2025-20530, ELSA-2025-20480
Oracle Linux 7 kernel-uek +6 5.4.17-2136.344.4.1.el8uek ELSA-2025-20372
Oracle Linux 7 kernel-uek-tools 5.4.17-2136.344.4.1.el7uek ELSA-2025-20372

Advisories 50

References