Vulnerability · Published Jun 19, 2024 · Assigned by Linux
CVE-2024-38548drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference
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 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference In cdns_mhdp_atomic_enable(), the return value of drm_mode_duplicate() is assigned to mhdp_state->current_mode, and there is a dereference of it in drm_mode_set_name(), which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Fix this bug add a check of mhdp_state->current_mode.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.94-1 | DEBIAN-CVE-2024-38548 |
| Debian:13 | linux | 6.8.12-1 | DEBIAN-CVE-2024-38548 |
| Debian:14 | linux | 6.8.12-1 | DEBIAN-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux | 5.15.0-121.131 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux | 5.15.0-121.131 | USN-7007-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-40.40 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1069.75 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1069.75 | USN-7007-1 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1013.14 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1013.14~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1072.81 | USN-7009-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1072.81 | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1012.14 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1012.14~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1072.81.1 | USN-7009-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1072.81.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1068.76 | USN-7007-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1068.76 | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1012.13 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1012.13~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1066.72 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1066.72 | USN-7007-1 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1008.11 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1052.59 | USN-7007-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1052.59 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-40.40~22.04.3 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1062.65 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1062.65 | USN-7007-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1010.10 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1010.10~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1064.70 | USN-7007-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1064.70 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1066.71 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1066.71 | USN-7007-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-121.131 | USN-7007-3 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-121.131 | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-40.40.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-40.40.1~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1064.65 | USN-7007-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1064.65 | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1011.11 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1011.11~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1011.11.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1028.28 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1016.16 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1010.10 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1067.73 | USN-7007-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1067.73 | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1010.10 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1010.10~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1062.65 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1062.65 | USN-7007-1 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1009.10 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-40.40.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-40.40.1~22.04.1 | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-38548 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1035.39 | UBUNTU-CVE-2024-38548 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before 85d1a27402f81f2e04b0e67d20f749c2a14edbb3fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before 89788cd9824c28ffcdea40232c458233353d1896fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before ca53b7efd4ba6ae92fd2b3085cb099c745e96965fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before dcf53e6103b26e7458be71491d0641f49fbd5840fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before 32fb2ef124c3301656ac6c789a2ef35ef69a66dafb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before 47889711da20be9b43e1e136e5cb68df37cbcc79fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b – before 935a92a1c400285545198ca2800a4c6c519c650a |
| Linux | Linux | 5.10 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://git.kernel.org/stable/c/85d1a27402f81f2e04b0e67d20f749c2a14edbb3
- https://git.kernel.org/stable/c/89788cd9824c28ffcdea40232c458233353d1896
- https://git.kernel.org/stable/c/ca53b7efd4ba6ae92fd2b3085cb099c745e96965
- https://git.kernel.org/stable/c/dcf53e6103b26e7458be71491d0641f49fbd5840
- https://git.kernel.org/stable/c/32fb2ef124c3301656ac6c789a2ef35ef69a66da
- https://git.kernel.org/stable/c/47889711da20be9b43e1e136e5cb68df37cbcc79
- https://git.kernel.org/stable/c/935a92a1c400285545198ca2800a4c6c519c650a