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Vulnerability · Published Apr 1, 2025 · Assigned by Linux

CVE-2025-21968drm/amd/display: Fix slab-use-after-free on hdcp_work

High 7.8

In plain English

A high-severity use-after-free 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 12% 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 88.4% 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/amd/display: Fix slab-use-after-free on hdcp_work [Why] A slab-use-after-free is reported when HDCP is destroyed but the property_validate_dwork queue is still running. [How] Cancel the delayed work when destroying workqueue. (cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.133-1DEBIAN-CVE-2025-21968
Debian:13linux6.12.20-1DEBIAN-CVE-2025-21968
Debian:14linux6.12.20-1DEBIAN-CVE-2025-21968
Ubuntu:22.04:LTSlinux5.15.0-142.152UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux5.15.0-142.152USN-7591-1
Ubuntu:24.04:LTSlinux6.8.0-84.84UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-aws5.15.0-1086.93USN-7591-4
Ubuntu:22.04:LTSlinux-aws5.15.0-1086.93UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-aws6.8.0-1039.41UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1039.41~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure5.15.0-1091.100USN-7597-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1091.100UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-azure6.8.0-1038.44UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1018.18~24.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1036.42~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1091.100.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1025.27UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gcp5.15.0-1085.94UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gcp5.15.0-1085.94USN-7591-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1040.42UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1016.16~24.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1040.42~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gke5.15.0-1083.89USN-7591-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1083.89UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-gke6.8.0-1036.40UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1068.76UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1068.76USN-7591-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1023.25UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-28.28~24.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-85.85~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-ibm5.15.0-1078.81USN-7591-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1078.81UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-ibm6.8.0-1037.37UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1037.37~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1081.87USN-7591-5
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1081.87UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-kvm5.15.0-1082.87USN-7591-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1082.87UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-142.152USN-7591-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-142.152UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-84.84.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1015.16~24.04.2UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-84.84.1~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1080.81USN-7591-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1080.81UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1039.42UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1012.12UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1039.42~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1039.42.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1039.39USN-7591-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1039.39UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1010.10UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1028.28UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1028.28USN-7591-1
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1024.24UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-oracle5.15.0-1083.89USN-7591-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1083.89UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-oracle6.8.0-1037.38UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1037.38~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-raspi5.15.0-1080.83USN-7591-6
Ubuntu:22.04:LTSlinux-raspi5.15.0-1080.83UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-raspi6.8.0-1039.43UBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-84.84~22.04.1UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-21968
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1018.19UBUNTU-CVE-2025-21968
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1050.54UBUNTU-CVE-2025-21968

Affected products (as reported)

VendorProductVersions
Linux Linux da3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before 06acfdef370ae018dad9592369e2d2fd9a40c09eda3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before 1397715b011bcdc6ad91b17df7acaee301e89db5da3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before 4964dbc4191ab436877a5e3ecd9c67a4e50b7c36da3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before 378b361e2e30e9729f9a7676f7926868d14f4326da3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before bac7b8b1a3f1a86eeec85835af106cbdc2b9d9f7da3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before 93d701064e56788663d7c5918fbe5e060d5df587da3fd7ac0bcf372cc57117bdfcd725cca7ef975a – before e65e7bea220c3ce8c4c793b4ba35557f4994ab2b
Linux Linux 5.5

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References