Vulnerability · Published Feb 26, 2025 · Assigned by Linux
CVE-2022-49435mfd: davinci_voicecodec: Fix possible null-ptr-deref davinci_vc_probe()
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 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: mfd: davinci_voicecodec: Fix possible null-ptr-deref davinci_vc_probe() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.18.5-1 | DEBIAN-CVE-2022-49435 |
| Debian:13 | linux | 5.18.5-1 | DEBIAN-CVE-2022-49435 |
| Debian:14 | linux | 5.18.5-1 | DEBIAN-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux | 5.15.0-47.51 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1019.23 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1019.24 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1017.23 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1015.18 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1002.4 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1013.15 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1015.20 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1017.21 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-47.53 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1007.7 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1017.22 | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1014.16 | UBUNTU-CVE-2022-49435 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2022-49435 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2022-49435 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | b5e29aa880be84c271be8d0726cec4018bfbfd74 – before 49c1e32e7b3f301642a60448700ec531df981269b5e29aa880be84c271be8d0726cec4018bfbfd74 – before a1d4941d9a24999f680799f9bbde7f57351ca637b5e29aa880be84c271be8d0726cec4018bfbfd74 – before 5289795824b77489803b0802cd9edc13824a2d0bb5e29aa880be84c271be8d0726cec4018bfbfd74 – before 2d00158a06efe6bbcd020108634ea0f2ed8b32f7b5e29aa880be84c271be8d0726cec4018bfbfd74 – before 579944b9f38727d9ff570b58f83bc424e8af8398b5e29aa880be84c271be8d0726cec4018bfbfd74 – before 311242c7703df0da14c206260b7e855f69cb0264 |
| Linux | Linux | 5.4 |
References
- https://git.kernel.org/stable/c/49c1e32e7b3f301642a60448700ec531df981269
- https://git.kernel.org/stable/c/a1d4941d9a24999f680799f9bbde7f57351ca637
- https://git.kernel.org/stable/c/5289795824b77489803b0802cd9edc13824a2d0b
- https://git.kernel.org/stable/c/2d00158a06efe6bbcd020108634ea0f2ed8b32f7
- https://git.kernel.org/stable/c/579944b9f38727d9ff570b58f83bc424e8af8398
- https://git.kernel.org/stable/c/311242c7703df0da14c206260b7e855f69cb0264