• CVE-2021-47378

发布时间: 2024年6月19日

修改时间: 2024年7月2日

概要

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishment error flow, don't destroy qp in cm event handler.Just report cm_error to upper level, qp will be destroy in nvme_rdma_alloc_queue() after destroy cm id.

CVSS v3 指标

NVD openEuler
Confidentiality None
Attack Vector Local
CVSS评分 N/A 7.8
Attack Complexity High
Privileges Required High
Scope Unchanged
Integrity None
User Interaction None
Availability None

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-2807 In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishment error flow, don't destroy qp in cm event handler.Just report cm_error to upper level, qp will be destroy in nvme_rdma_alloc_queue() after destroy cm id. 2024年6月19日

影响产品

产品 状态
KY3.4-5A kernel Unaffected
KY3.5.2 kernel Unaffected
V6 kernel Unaffected