CVE-2026-45896
In the Linux kernel, the following vulnerability has been resolved: mtd: intel-dg: Fix accessing regions before setting nregions The regions array is counted by nregions, but it's set only after accessing it: [] UBSAN: array-index-out-of-bounds in drivers/mtd/devices/mtd_intel_dg.c:750:15 [] index 0 is out of range for type '<unknown> [*]' Fix it by also fixing an undesired behavior: the loop silently ignores ENOMEM and continues setting the other entries.
Affected versions
Linux kernel versions
6.17
and later are affected. Fixed in
6.18.14,
6.19.4,
7.0
and their respective stable series.
References
The following references provide additional information about CVE-2026-45896 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/721bd22bcf45a63ebd9bd0f478ef721b45cc5383
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PatchKernel patch commithttps://git.kernel.org/stable/c/779c59274d03cc5c07237a2c845dfb71cff77705
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PatchKernel patch commithttps://git.kernel.org/stable/c/d58fca8513414b15387460b14a7a0a30405b9c9e
Frequently asked questions
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What is CVE-2026-45896?
CVE-2026-45896 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.17 onward and has been patched in 6.18.14, 6.19.4 and 7.0. CVE-2026-45896 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-2026-45896?
Yes — CVE-2026-45896 has been patched. Fixed versions include 6.18.14, 6.19.4 and 7.0. If you are running Linux kernel 6.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-45896 actively exploited?
No — CVE-2026-45896 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.