CVE-2021-47141 Information

Description

In the Linux kernel the following vulnerability has been resolved:

gve: Add NULL pointer checks when freeing irqs.

When freeing notification blocks we index priv->msix_vectors. If we failed to allocate priv->msix_vectors (see abort_with_msix_vectors) this could lead to a NULL pointer dereference if the driver is unloaded.

Reference

https://git.kernel.org/stable/c/821149ee88c206fa37e79c1868cc270518484876 https://git.kernel.org/stable/c/da21a35c00ff1a1794d4f166d3b3fa8db4d0f6fb https://git.kernel.org/stable/c/5278c75266c5094d3c0958793bf12fc90300e580 https://git.kernel.org/stable/c/5218e919c8d06279884aa0baf76778a6817d5b93