USN-8714-2：Ubuntu 18.04 与 20.04 的 Linux 内核安全更新

概述

USN-8714-2 是面向 Ubuntu 18.04 与 Ubuntu 20.04 的 Linux 内核安全公告。本次更新解决 AWS 与 GCP 平台对应内核软件包中的 5 个 CVE，修复软件包通过 Ubuntu Pro/ESM 向订阅用户提供。

受影响范围

• 受影响发行版：Ubuntu 18.04、Ubuntu 20.04
• 适用平台：AWS、GCP
• 访问要求：Ubuntu Pro/ESM
• CVE 数量：5 个

公告中保留的标识符

"editorialLimits": "Use only these verified fields. No inferred features, upgrade commands, affected-version ranges or support deadlines. A release announcement does not establish distribution package availability. For security fixes preserve the exact distribution, package version and Pro/ESM access requirements; CVEs do not imply every listed release is affected by every issue."
"officialSource": "https://ubuntu.com/security/notices/USN-8714-2",
"access": "Ubuntu Pro / ESM (see official notice)"
"announcementDate": "2026-09-04 17:55:21+00",
"package": "linux-image-5.4.0-1166-gcp",
"package": "linux-image-5.4.0-1163-aws",
"package": "linux-image-gcp-lts-20.04",
"version": "5.4.0-1163.174~18.04.1",
"version": "5.4.0-1166.175~18.04.1",
"version": "5.4.0.1163.174~18.04.1",
"version": "5.4.0.1166.175~18.04.1",
"package": "linux-image-gcp-5.4",
"package": "linux-image-aws-5.4",
"release": "18.04 LTS bionic",
"release": "20.04 LTS focal",
"package": "linux-image-aws",
"package": "linux-image-gcp",
"version": "5.4.0-1166.175",
"version": "5.4.0.1166.168",
"identifier": "USN-8714-2",
"project": "ubuntu",
"event": "security",
"fixedPackages": [
"CVE-2026-53043",
"CVE-2026-53224",
"CVE-2026-53225",
"CVE-2026-53246",
"version": null,
"CVE-2026-53309"
"cves": [
],
},
{
}