CVE-2026-46258
In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandle_create() In linehandle_create(), there is a statement like this: retain_and_null_ptr(lh); Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the crash by using handlereq.lines, which is the same value.
Affected versions
Linux kernel versions
6.19
and later are affected. Fixed in
6.19.4,
7.0
and their respective stable series.
References
The following references provide additional information about CVE-2026-46258 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/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e
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PatchKernel patch commithttps://git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766
Frequently asked questions
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What is CVE-2026-46258?
CVE-2026-46258 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.19 onward and has been patched in 6.19.4 and 7.0. CVE-2026-46258 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-2026-46258?
Yes — CVE-2026-46258 has been patched. Fixed versions include 6.19.4 and 7.0. If you are running Linux kernel 6.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46258 actively exploited?
No — CVE-2026-46258 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.