Vulnerability · Published May 28, 2026 · Assigned by Linux

CVE-2026-46199drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg

High 7.1

In plain English

A high-severity out-of-bounds read 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 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.1%top 97.2% 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/amdgpu/vcn4: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:10kernel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-abi-stablelists6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-abi-stablelists4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-abi-stablelists5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-core4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-cross-headers6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-cross-headers4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-cross-headers5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-debug5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-core4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-debug-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-devel4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-debug-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-modules4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-debug-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-debug-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-devel4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-devel-matched5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-doc6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-doc4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-doc5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-headers6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-headers4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-headers5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-modules4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-modules-extra4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:10kernel-rt6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-core4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-debug6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-debug5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-debug-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-core4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-debug-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-devel4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-modules4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-rt-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.169.1.rt7.510.el8_10ALSA-2026:72467
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-tools6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-tools4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-tools5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-tools-libs6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-tools-libs4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-tools-libs5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-uki-virt6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-uki-virt5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-zfcpdump5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10libperf6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9libperf5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10perf6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8perf4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9perf5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10python3-perf6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:8python3-perf4.18.0-553.169.1.el8_10ALSA-2026:72468
AlmaLinux:9python3-perf5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10rtla6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9rtla5.14.0-687.52.1.el9_8ALSA-2026:71700
AlmaLinux:10rv6.12.0-211.60.1.el10_2ALSA-2026:71602
AlmaLinux:9rv5.14.0-687.52.1.el9_8ALSA-2026:71700
Debian:12linux6.1.176-1DEBIAN-CVE-2026-46199
Debian:13linux6.12.90-1DEBIAN-CVE-2026-46199
Debian:14linux7.0.9-1DEBIAN-CVE-2026-46199
Rocky Linux:10kernel0:6.12.0-211.60.1.el10_2RLSA-2026:71602
Rocky Linux:8kernel0:4.18.0-553.169.1.el8_10RLSA-2026:72468
Rocky Linux:9kernel0:5.14.0-687.52.1.el9_8RLSA-2026:71700
Rocky Linux:8kernel-rt0:4.18.0-553.169.1.rt7.510.el8_10RLSA-2026:72467
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-46199
Ubuntu:24.04:LTSlinux6.8.0-136.136UBUNTU-CVE-2026-46199
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-46199
Ubuntu:26.04:LTSlinux7.0.0-28.28UBUNTU-CVE-2026-46199
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-46199
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-46199
Ubuntu:24.04:LTSlinux-aws6.8.0-1061.64UBUNTU-CVE-2026-46199
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-46199
Ubuntu:26.04:LTSlinux-aws7.0.0-1009.9UBUNTU-CVE-2026-46199

Affected products (as reported)

VendorProductVersions
Linux Linux 87cc7f9ebf7ce10f82250002d667ef3e93a79d44 – before 88411caee8f576d6b5abf6531232fcc0ce756dc587cc7f9ebf7ce10f82250002d667ef3e93a79d44 – before c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e87cc7f9ebf7ce10f82250002d667ef3e93a79d44 – before 7688143ca62edeecacb3ba0a2cea129dbd262a1887cc7f9ebf7ce10f82250002d667ef3e93a79d44 – before 63b51e8a9d54317d31cc3856c1e12407070d5fc287cc7f9ebf7ce10f82250002d667ef3e93a79d44 – before 3c817a60b09eaab926e475088e750936efcc95ae87cc7f9ebf7ce10f82250002d667ef3e93a79d44 – before 0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648
Linux Linux 5.13

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

References