CVE-2021-47002

high

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")

References

https://git.kernel.org/stable/c/c664aaec9aee544538a78ba4893a44bc73a6d742

https://git.kernel.org/stable/c/b9f83ffaa0c096b4c832a43964fe6bff3acffe10

https://git.kernel.org/stable/c/3de81c1e84bf84803308da3272a829a7655c5336

https://git.kernel.org/stable/c/1e10f58f1c9a6b667b045513c7a4e6111c24fe7c

Details

Source: Mitre, NVD

Published: 2024-02-28

Updated: 2024-07-05

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High