Vulnerability 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.
References
- https://git.kernel.org/stable/c/0903a87490a9ed456ac765a84dcc484c1ee42c32
- https://git.kernel.org/stable/c/098ebb9089c4eedea09333f912d105fa63377496
- https://git.kernel.org/stable/c/3afa88ae9911b65702a3aca9d92ea23fe496e56f
- https://git.kernel.org/stable/c/f360e2b275efbb745ba0af8b47d9ef44221be586
FAQ
What is CVE-2022-50888?
CVE-2022-50888 is a documented vulnerability. 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_resourc...
How severe is CVE-2022-50888?
CVSS scoring is not yet available for CVE-2022-50888. Check NVD for updates.
Is there a patch for CVE-2022-50888?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.