CVE-2026-45896

Published: Mag 27, 2026 Last Modified: Mag 27, 2026

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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.

https://git.kernel.org/stable/c/721bd22bcf45a63ebd9bd0f478ef721b45cc5383

https://git.kernel.org/stable/c/779c59274d03cc5c07237a2c845dfb71cff77705

https://git.kernel.org/stable/c/d58fca8513414b15387460b14a7a0a30405b9c9e