CVE-2026-23019
In the Linux kernel, the following vulnerability has been resolved:
net: marvell: prestera: fix NULL dereference on devlink_alloc() failure
devlink_alloc() may return NULL on allocation failure, but prestera_devlink_alloc() unconditionally calls devlink_priv() on the returned pointer.
This leads to a NULL pointer dereference if devlink allocation fails. Add a check for a NULL devlink pointer and return NULL early to avoid the crash.
No affected software listed.
- https://git.kernel.org/stable/c/325aea74be7e192b5c947c782da23b0d19a5fda2
- https://git.kernel.org/stable/c/326a4b7e61d01db3507f71c8bb5e85362f607064
- https://git.kernel.org/stable/c/3950054c9512add0cc79ab7e72b6d2f9f675e25b
- https://git.kernel.org/stable/c/8a4333b2818f0d853b43e139936c20659366e4a0
- https://git.kernel.org/stable/c/94e070cd50790317fba7787ae6006934b7edcb6f
- https://git.kernel.org/stable/c/a428e0da1248c353557970848994f35fd3f005e2
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