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Vulnerability · Published May 8, 2025 · Assigned by Linux

CVE-2025-37803udmabuf: fix a buf size overflow issue during udmabuf creation

High 7.8

In plain English

A high-severity buffer overflow in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 83.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-devel-matched5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-64k-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:10kernel-abi-stablelists6.12.0-55.31.1.el10_0ALSA-2025:15447
AlmaLinux:9kernel-abi-stablelists5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-cross-headers5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-devel-matched5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-debug-uki-virt5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-devel-matched5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:10kernel-doc6.12.0-55.31.1.el10_0ALSA-2025:15447
AlmaLinux:9kernel-doc5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-headers5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-debug5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug-kvm5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-kvm5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-rt-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-tools5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-tools-libs5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-tools-libs-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-uki-virt5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-uki-virt-addons5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump-devel5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump-modules5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9libperf5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9perf5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9python3-perf5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9rtla5.14.0-570.41.1.el9_6ALSA-2025:15429
AlmaLinux:9rv5.14.0-570.41.1.el9_6ALSA-2025:15429
Debian:12linux6.1.137-1DEBIAN-CVE-2025-37803
Debian:13linux6.12.57-1DEBIAN-CVE-2025-37803
Debian:14linux6.16.3-1DEBIAN-CVE-2025-37803
Ubuntu:22.04:LTSlinux5.15.0-144.157UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux6.8.0-100.100UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-aws5.15.0-1088.95UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-aws6.8.0-1046.49UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure5.15.0-1094.103UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-azure6.8.0-1046.52UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1094.103.1UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1046.53UBUNTU-CVE-2025-37803
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1046.53~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gcp5.15.0-1087.96UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-gcp6.8.0-1047.50UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1011.11~24.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1047.50~22.04.2UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gke5.15.0-1085.91UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-gke6.8.0-1043.48UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1070.78UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1030.33UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-ibm5.15.0-1080.83UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-ibm6.8.0-1044.44UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1044.44~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1083.89UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-kvm5.15.0-1084.89UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-144.157UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-100.100.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-100.100.1~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1082.83UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1046.49UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1046.49.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1041.41UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1030.30UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oracle5.15.0-1085.91UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-oracle6.8.0-1043.44UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1043.44~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-raspi5.15.0-1083.86UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-raspi6.8.0-1047.51UBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-37803
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1023.24UBUNTU-CVE-2025-37803
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1052.56UBUNTU-CVE-2025-37803

Affected products (as reported)

VendorProductVersions
Linux Linux fbb0de795078190a9834b3409e4b009cfb18a6d4 – before e84a08fc7e25cdad5d9a3def42cc770ff711193ffbb0de795078190a9834b3409e4b009cfb18a6d4 – before 13fe12c037b470321436deec393030c6153cfeb9fbb0de795078190a9834b3409e4b009cfb18a6d4 – before 373512760e13fdaa726faa9502d0f5be2abb3d33fbb0de795078190a9834b3409e4b009cfb18a6d4 – before 3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbefbb0de795078190a9834b3409e4b009cfb18a6d4 – before b2ff4e9c599b000833d16a917f519aa2e4a75de2fbb0de795078190a9834b3409e4b009cfb18a6d4 – before 29b65a3171a49c9b69f31035146be966cec40b7afbb0de795078190a9834b3409e4b009cfb18a6d4 – before 2b8419c6ecf69007dcff54ea0b9f0b215282c55afbb0de795078190a9834b3409e4b009cfb18a6d4 – before 021ba7f1babd029e714d13a6bf2571b08af96d0f
Linux Linux 4.20

Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References