CVE-2022-50888
Description
In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio() q6v5_wcss_init_mmio() will call platform_get_resource_byname() that may fail and return NULL. devm_ioremap() will use res->start as input, which may causes null-ptr-deref. Check the ret value of platform_get_resource_byname() to avoid the null-ptr-deref.
How to fix
- Linux Linux098ebb9089c4eedea09333f912d105fa63377496, 3afa88ae9911b65702a3aca9d92ea23fe496e56f, 0903a87490a9ed456ac765a84dcc484c1ee42c32, f360e2b275efbb745ba0af8b47d9ef44221be586 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 ≤ v < 098ebb9089c4eedea09333f912d105fa63377496, 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 ≤ v < 3afa88ae9911b65702a3aca9d92ea23fe496e56f, 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 ≤ v < 0903a87490a9ed456ac765a84dcc484c1ee42c32, 0af65b9b915e52019aee91db3e1f8b39a7ec8d08 ≤ v < f360e2b275efbb745ba0af8b47d9ef44221be586, 5.13 | 098ebb9089c4eedea09333f912d105fa63377496, 3afa88ae9911b65702a3aca9d92ea23fe496e56f, 0903a87490a9ed456ac765a84dcc484c1ee42c32, f360e2b275efbb745ba0af8b47d9ef44221be586 |
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