In the Linux kernel, the following vulnerability has been resolved:

vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()

find_vm_area() can return NULL if the given address is not a valid vmalloc
area.  Check the return value before dereferencing it to avoid a kernel
crash.

https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280

https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59

https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e

https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6

https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea

https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8

https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331

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