Vulnerability · Published Dec 6, 2025 · Assigned by Linux

CVE-2025-40277drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

High 7.8

In plain English

A high-severity security flaw 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 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 82.9% 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: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing an out-of-bounds access.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:8kernel4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-devel-matched5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-64k-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:10kernel-abi-stablelists6.12.0-124.27.1.el10_1ALSA-2026:0453
AlmaLinux:8kernel-abi-stablelists4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-abi-stablelists5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-core4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-cross-headers4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-cross-headers5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-debug4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-debug5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-debug-core4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-debug-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-debug-devel4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-debug-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-debug-devel-matched5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-debug-modules4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-debug-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-debug-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-debug-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-debug-uki-virt5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-devel4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-devel-matched5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:10kernel-doc6.12.0-124.27.1.el10_1ALSA-2026:0453
AlmaLinux:8kernel-doc4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-doc5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-headers4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-headers5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-modules4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-modules-extra4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-debug5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-core4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-debug4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-debug5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-debug-core4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-debug-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-debug-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-debug-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-devel4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-modules4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-rt-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.97.1.rt7.438.el8_10ALSA-2026:1148
AlmaLinux:9kernel-rt-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-tools4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-tools5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-tools-libs4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-tools-libs5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-tools-libs-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-uki-virt5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-uki-virt-addons5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-zfcpdump4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-zfcpdump5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-zfcpdump-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-zfcpdump-devel5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-zfcpdump-modules5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9libperf5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8perf4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9perf5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:8python3-perf4.18.0-553.97.1.el8_10ALSA-2026:1142
AlmaLinux:9python3-perf5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9rtla5.14.0-611.24.1.el9_7ALSA-2026:0793
AlmaLinux:9rv5.14.0-611.24.1.el9_7ALSA-2026:0793
Debian:12linux6.1.159-1DEBIAN-CVE-2025-40277
Debian:13linux6.12.63-1DEBIAN-CVE-2025-40277
Debian:14linux6.17.9-1DEBIAN-CVE-2025-40277
Rocky Linux:10kernel0:6.12.0-124.27.1.el10_1RLSA-2026:0453
Rocky Linux:8kernel0:4.18.0-553.97.1.el8_10RLSA-2026:1142
Rocky Linux:9kernel0:5.14.0-611.24.1.el9_7RLSA-2026:0793
Rocky Linux:8kernel-rt0:4.18.0-553.97.1.rt7.438.el8_10RLSA-2026:1148
Ubuntu:22.04:LTSlinux5.15.0-173.183USN-8096-1
Ubuntu:22.04:LTSlinux5.15.0-173.183UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux6.8.0-106.106UBUNTU-CVE-2025-40277
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-aws5.15.0-1103.110UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-aws5.15.0-1103.110USN-8096-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1050.53UBUNTU-CVE-2025-40277
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1050.53~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure5.15.0-1109.118UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure6.8.0-1051.57UBUNTU-CVE-2025-40277
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1109.118.1UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65UBUNTU-CVE-2025-40277
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gcp5.15.0-1103.112UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gcp5.15.0-1103.112USN-8096-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1052.55UBUNTU-CVE-2025-40277
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1052.55~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gke5.15.0-1099.105USN-8096-3
Ubuntu:22.04:LTSlinux-gke5.15.0-1099.105UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-gke6.8.0-1048.53UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1086.94USN-8096-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1086.94UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1035.38UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-ibm5.15.0-1097.100USN-8096-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1097.100UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-ibm6.8.0-1049.49UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1049.49~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1098.104UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1098.104USN-8096-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1095.100UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-kvm5.15.0-1095.100USN-8096-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-173.183UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-173.183USN-8096-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-106.106.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-106.106.1~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1098.99UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1098.99USN-8096-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1049.52UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40277
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1049.52~22.04.1UBUNTU-CVE-2025-40277
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1049.52.1UBUNTU-CVE-2025-40277

Affected products (as reported)

VendorProductVersions
Linux Linux 8ce75f8ab9044fe11caaaf2b2c82471023212f9f – before e58559845021c3bad5e094219378b869157fad538ce75f8ab9044fe11caaaf2b2c82471023212f9f – before 54d458b244893e47bda52ec3943fdfbc8d7d068b8ce75f8ab9044fe11caaaf2b2c82471023212f9f – before 709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab1738ce75f8ab9044fe11caaaf2b2c82471023212f9f – before a3abb54c27b2c393c44362399777ad2f6e1ff17e8ce75f8ab9044fe11caaaf2b2c82471023212f9f – before b5df9e06eed3df6a4f5c6f8453013b0cabb927b48ce75f8ab9044fe11caaaf2b2c82471023212f9f – before 5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc8ce75f8ab9044fe11caaaf2b2c82471023212f9f – before f3f3a8eb3f0ba799fae057091d8c67cca12d6fa08ce75f8ab9044fe11caaaf2b2c82471023212f9f – before 32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af
Linux Linux 4.3

References