CVE-2022-50634
In the Linux kernel, the following vulnerability has been resolved: power: supply: cw2015: Fix potential null-ptr-deref in cw_bat_probe() cw_bat_probe() calls create_singlethread_workqueue() and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: cw_bat_probe() create_singlethread_workqueue() # failed, cw_bat->wq is NULL queue_delayed_work() queue_delayed_work_on() __queue_delayed_work() # warning here, but continue __queue_work() # access wq->flags, null-ptr-deref Check the ret value and return -ENOMEM if it is NULL.
Affected versions
Linux kernel versions
5.8
and later are affected. Fixed in
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50634 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/5150b76aa2eb8bb8feb7f7a048417f9d39c3dd04
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PatchKernel patch commithttps://git.kernel.org/stable/c/97f2b4ddb0aa700d673691a7d5e44d226d22bab7
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PatchKernel patch commithttps://git.kernel.org/stable/c/f7e2ba8ed08138102f21f3fe6414498c93177fd8
Frequently asked questions
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What is CVE-2022-50634?
CVE-2022-50634 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.8 onward and has been patched in 6.0.16, 6.1.2 and 6.2. CVE-2022-50634 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-2022-50634?
Yes — CVE-2022-50634 has been patched. Fixed versions include 6.0.16, 6.1.2 and 6.2. If you are running Linux kernel 5.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50634 actively exploited?
No — CVE-2022-50634 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.