Vulnerability · Published Oct 21, 2024 · Assigned by Linux
CVE-2024-47704drm/amd/display: Check link_res->hpo_dp_link_enc before using it
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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 88.9% 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/amd/display: Check link_res->hpo_dp_link_enc before using it [WHAT & HOW] Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res without initializing hpo_dp_link_enc and it is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.153-1 | DSA-6009-1 |
| Debian:12 | linux | 6.1.153-1 | DEBIAN-CVE-2024-47704 |
| Debian:13 | linux | 6.11.2-1 | DEBIAN-CVE-2024-47704 |
| Debian:14 | linux | 6.11.2-1 | DEBIAN-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux | 6.8.0-54.56 | USN-7301-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-54.56 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-aws | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1023.25 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1023.25 | USN-7311-1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1023.25~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1023.25~22.04.1 | USN-7311-1 |
| Ubuntu:22.04:LTS | linux-azure | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1025.30 | USN-7384-1 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1025.30 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | 6.11.0-1012.12~24.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1025.30~22.04.1 | USN-7384-2 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1025.30~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-fde | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | 6.8.0-1014.15 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | 6.8.0-1014.15 | USN-7468-1 |
| Ubuntu:22.04:LTS | linux-gcp | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1024.26 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1024.26 | USN-7304-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | 6.11.0-1011.11~24.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1024.26~22.04.1 | USN-7303-3 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1024.26~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-gke | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1019.23 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1019.23 | USN-7304-1 |
| Ubuntu:22.04:LTS | linux-gkeop | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1006.8 | USN-7304-1 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1006.8 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-57.59~22.04.1 | USN-7403-1 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-57.59~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-ibm | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1022.22 | USN-7385-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1022.22 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1023.23~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-intel-iotg | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-kvm | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-lowlatency | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-54.56.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-54.56.1 | USN-7301-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-54.56.1~22.04.1 | USN-7301-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-54.56.1~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-nvidia | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1022.25 | USN-7303-1 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1022.25 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | 6.11.0-1007.7 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1022.25~22.04.2 | USN-7303-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1022.25~22.04.2 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1022.25.2 | USN-7303-1 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1022.25.2 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | 6.11.0-1010.10 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | 6.11.0-1010.10 | USN-7170-1 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1024.24 | USN-7386-1 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1024.24 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-oracle | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1020.21 | USN-7303-2 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1020.21 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1020.21~22.04.1 | USN-7303-2 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1020.21~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-raspi | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1019.23 | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1019.23 | USN-7303-3 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-53.55.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-53.55.1~22.04.1 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-47704 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1017.18 | UBUNTU-CVE-2024-47704 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | no fix listed | UBUNTU-CVE-2024-47704 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – before 8c22a62288194f072eb3a51045b700fce1c18d9e4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – before be2ca7a2c1561390d28bf2f92654d819659ba5104562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – before 530e29452b955c30cf2102fa4d07420dc6e0c9534562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – before 0508a4e95ac1aefd851ceb97ea050d8abb93262c4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c – before 0beca868cde8742240cd0038141c30482d2b7eb8 |
| Linux | Linux | 4.15 |
References
- https://git.kernel.org/stable/c/8c22a62288194f072eb3a51045b700fce1c18d9e
- https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510
- https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953
- https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c
- https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html