Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - Netfilter; (CVE-2026-23112, CVE-2026-23231, CVE-2026-23273)
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"ecosystem": "Ubuntu:Pro:Realtime:24.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8254-1.json"
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "linux-buildinfo-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-cloud-tools-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-headers-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-image-unsigned-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-modules-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-modules-extra-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-modules-iwlwifi-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-realtime-cloud-tools-6.8.1-1048",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-realtime-headers-6.8.1-1048",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-realtime-tools-6.8.1-1048",
"binary_version": "6.8.1-1048.49"
},
{
"binary_name": "linux-tools-6.8.1-1048-realtime",
"binary_version": "6.8.1-1048.49"
}
]
}{
"cves": [
{
"id": "CVE-2026-23112",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2026-23231",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2026-23273",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:Pro:Realtime:24.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8254-1.json"