• CVE-2021-47367

发布时间: 2024年5月31日

修改时间: 2024年6月13日

概要

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

CVSS v3 指标

NVD openEuler
Confidentiality None
Attack Vector Local
CVSS评分 N/A 5.5
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-2024-2511 In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode. 2024年5月31日

影响产品

产品 状态
KY3.4-4A kernel Unaffected
KY3.4-5A kernel Unaffected
KY3.5.1 kernel Unaffected
KY3.5.2 kernel Unaffected
V6 kernel Unaffected