Vulnerabilities > CVE-2021-47002 - 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: SUNRPC: Fix null pointer dereference in svc_rqst_free() When alloc_pages_node() returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a null check. Addresses-Coverity: ("Dereference after null check")
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c
- https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c
- https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336
- https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336
- https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10
- https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10
- https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742
- https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742