CVE-2026-46075
In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path Unregister the hwrng to prevent new ->read() calls and flush the Atmel I2C workqueue before teardown to prevent a potential UAF if a queued callback runs while the device is being removed. Drop the early return to ensure sysfs entries are removed and ->hwrng.priv is freed, preventing a memory leak.
Affected versions
Linux kernel versions
5.3
and later are affected. Fixed in
6.1.175,
6.6.140,
6.12.86,
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46075 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/1193c12126d39bf986a5a9214827b73707b193ab
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PatchKernel patch commithttps://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7
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PatchKernel patch commithttps://git.kernel.org/stable/c/6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5
Frequently asked questions
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What is CVE-2026-46075?
CVE-2026-46075 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.3 onward and has been patched in 6.1.175, 6.6.140, 6.12.86 and others. CVE-2026-46075 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-2026-46075?
Yes — CVE-2026-46075 has been patched. Fixed versions include 6.1.175, 6.6.140, 6.12.86 and others. If you are running Linux kernel 5.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46075 actively exploited?
No — CVE-2026-46075 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.