CVE-2022-50888
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.
Affected versions
Linux kernel versions
5.13
and later are affected. Fixed in
5.15.86,
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50888 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0903a87490a9ed456ac765a84dcc484c1ee42c32
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PatchKernel patch commithttps://git.kernel.org/stable/c/098ebb9089c4eedea09333f912d105fa63377496
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PatchKernel patch commithttps://git.kernel.org/stable/c/3afa88ae9911b65702a3aca9d92ea23fe496e56f
Frequently asked questions
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What is CVE-2022-50888?
CVE-2022-50888 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.13 onward and has been patched in 5.15.86, 6.0.16, 6.1.2 and others. CVE-2022-50888 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2022-50888?
Yes — CVE-2022-50888 has been patched. Fixed versions include 5.15.86, 6.0.16, 6.1.2 and others. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50888 actively exploited?
No — CVE-2022-50888 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.