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Vulnerability · Published Sep 15, 2025 · Assigned by Linux

CVE-2023-53248drm/amdgpu: install stub fence into potential unused fence pointers

Medium 5.5

In plain English

A medium-severity null pointer dereference 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 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 96.1% 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: install stub fence into potential unused fence pointers When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when calling dma_fence_wait() on them.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.52-1DEBIAN-CVE-2023-53248
Debian:13linux6.4.13-1DEBIAN-CVE-2023-53248
Debian:14linux6.4.13-1DEBIAN-CVE-2023-53248
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53248
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53248
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-53248

Affected products (as reported)

VendorProductVersions
Linux Linux d38ceaf99ed015f2a0b9af3499791bd3a3daae21 – before 78b25110eb8c6990f7f5096bc0136c12a2b4cc99d38ceaf99ed015f2a0b9af3499791bd3a3daae21 – before aa9e9ba5748c524eb0925a2ef6984b78793646d6d38ceaf99ed015f2a0b9af3499791bd3a3daae21 – before 187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0
Linux Linux 4.2

Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References