Vulnerability Description
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")
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.10.221 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7cPatch
- https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336Patch
- https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10Patch
- https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742Patch
- https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7cPatch
- https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336Patch
- https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10Patch
- https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742Patch
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
FAQ
What is CVE-2021-47002?
CVE-2021-47002 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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_scra...
How severe is CVE-2021-47002?
CVE-2021-47002 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47002?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.