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Vulnerability · Published Apr 2, 2024 · Assigned by Linux

CVE-2024-26662drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'

Medium 5.5

In plain English

A medium-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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 86.7% 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 'panel_cntl' could be null in 'dcn21_set_backlight_level()' 'panel_cntl' structure used to control the display panel could be null, dereferencing it could lead to a null pointer access. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed 'panel_cntl' could be null (see line 250)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2024-26662
Debian:13linux6.7.7-1DEBIAN-CVE-2024-26662
Debian:14linux6.7.7-1DEBIAN-CVE-2024-26662
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1023.23~22.04.1USN-6895-3
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1023.23~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1024.25~22.04.1USN-6895-2
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1024.25~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1024.26~22.04.1USN-6895-2
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1024.26~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-44.44~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-44.44~22.04.1USN-6900-1
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-44.44.1~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-44.44.1~22.04.1USN-6895-3
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1023.24USN-6895-1
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1023.24UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1027.28USN-6895-4
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1027.28UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1026.26~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1026.26~22.04.1USN-6895-3
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1017.18~22.04.1USN-6895-3
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1017.18~22.04.1UBUNTU-CVE-2024-26662
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2024-26662

Affected products (as reported)

VendorProductVersions
Linux Linux 474ac4a875ca6fea3fc5183d3ad22ef7523dca53 – before 94a506cbfd1bd4817502bed097e24cbab23cfce3474ac4a875ca6fea3fc5183d3ad22ef7523dca53 – before 2e150ccea13129eb048679114808eb9770443e4d474ac4a875ca6fea3fc5183d3ad22ef7523dca53 – before 0c863cab0e9173f8b6c7bc328bee3b8625f131b5474ac4a875ca6fea3fc5183d3ad22ef7523dca53 – before e96fddb32931d007db12b1fce9b5e8e4c080401b
Linux Linux 5.9

References