USN-8725-1：Linux 内核漏洞

Ubuntu 发布安全公告 USN-8725-1，涉及 Linux 内核漏洞。公告列出受影响的 Ubuntu 发行版与修复后的内核软件包版本，相关软件包需要 Ubuntu Pro/ESM 访问权限。

受影响的发行版与修复版本

{
"project": "ubuntu",
"event": "security",
"identifier": "USN-8725-1",
"version": null,
"announcementDate": "2026-09-04 17:51:55+00",
"officialSource": "https://ubuntu.com/security/notices/USN-8725-1",
"cves": [
"CVE-2022-50401",
"CVE-2026-43071",
"CVE-2026-52914",
"CVE-2026-53002",
"CVE-2026-53043",
"CVE-2026-53045",
"CVE-2026-53224",
"CVE-2026-53309"
],
"fixedPackages": [
{
"release": "16.04 LTS xenial",
"package": "linux-image-4.4.0-1128-fips",
"version": "4.4.0-1128.135",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-4.4.0-1159-kvm",
"version": "4.4.0-1159.170",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-4.4.0-287-generic",
"version": "4.4.0-287.321",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-4.4.0-287-lowlatency",
"version": "4.4.0-287.321",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-fips",
"version": "4.4.0.1128.130",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-generic",
"version": "4.4.0.287.293",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-generic-lts-xenial",
"version": "4.4.0.287.293",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-kvm",
"version": "4.4.0.1159.156",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-lowlatency",
"version": "4.4.0.287.293",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-lowlatency-lts-xenial",
"version": "4.4.0.287.293",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-virtual",
"version": "4.4.0.287.293",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "16.04 LTS xenial",
"package": "linux-image-virtual-lts-xenial",
"version": "4.4.0.287.293",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-4.4.0-1158-aws",
"version": "4.4.0-1158.164",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-4.4.0-287-generic",
"version": "4.4.0-287.321~14.04.1",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-4.4.0-287-lowlatency",
"version": "4.4.0-287.321~14.04.1",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-aws",
"version": "4.4.0.1158.155",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-generic-lts-xenial",
"version": "4.4.0.287.321~14.04.1",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-lowlatency-lts-xenial",
"version": "4.4.0.287.321~14.04.1",
"access": "Ubuntu Pro / ESM (see official notice)"
},
{
"release": "14.04 LTS trusty",
"package": "linux-image-virtual-lts-xenial",
"version": "4.4.0.287.321~14.04.1",
"access": "Ubuntu Pro / ESM (see official notice)"
}
],
"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."
}