Vulnerabilities > CVE-2021-47141 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/5218e919c8d06279884aa0baf76778a6817d5b93
- https://git.kernel.org/stable/c/5218e919c8d06279884aa0baf76778a6817d5b93
- https://git.kernel.org/stable/c/5278c75266c5094d3c0958793bf12fc90300e580
- https://git.kernel.org/stable/c/5278c75266c5094d3c0958793bf12fc90300e580
- https://git.kernel.org/stable/c/821149ee88c206fa37e79c1868cc270518484876
- https://git.kernel.org/stable/c/821149ee88c206fa37e79c1868cc270518484876
- https://git.kernel.org/stable/c/da21a35c00ff1a1794d4f166d3b3fa8db4d0f6fb
- https://git.kernel.org/stable/c/da21a35c00ff1a1794d4f166d3b3fa8db4d0f6fb