Vulnerabilities > CVE-2021-47501 - 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: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e
- https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e
- https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421
- https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421
- https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83
- https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83