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:
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "linux-azure-6.8-cloud-tools-6.8.0-1065",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-azure-6.8-headers-6.8.0-1065",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-azure-6.8-tools-6.8.0-1065",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-buildinfo-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-cloud-tools-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-headers-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-image-unsigned-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-modules-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-modules-extra-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-modules-involflt-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-modules-iwlwifi-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
},
{
"binary_name": "linux-tools-6.8.0-1065-azure",
"binary_version": "6.8.0-1065.73~22.04.1"
}
]
}{
"cves": [
{
"id": "CVE-2026-53224",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53247",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8643-5.json"
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "linux-buildinfo-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-headers-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-ibm-6.8-headers-6.8.0-1063",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-ibm-6.8-tools-6.8.0-1063",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-image-unsigned-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-modules-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-modules-extra-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-modules-iwlwifi-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
},
{
"binary_name": "linux-tools-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64~22.04.1"
}
]
}{
"cves": [
{
"id": "CVE-2026-53224",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53247",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8643-5.json"
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "linux-buildinfo-6.8.0-1060-oracle",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-buildinfo-6.8.0-1060-oracle-64k",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-headers-6.8.0-1060-oracle",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-headers-6.8.0-1060-oracle-64k",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-image-unsigned-6.8.0-1060-oracle",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-image-unsigned-6.8.0-1060-oracle-64k",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-modules-6.8.0-1060-oracle",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-modules-6.8.0-1060-oracle-64k",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-modules-extra-6.8.0-1060-oracle",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-modules-extra-6.8.0-1060-oracle-64k",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-oracle-6.8-headers-6.8.0-1060",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-oracle-6.8-tools-6.8.0-1060",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-tools-6.8.0-1060-oracle",
"binary_version": "6.8.0-1060.63~22.04.1"
},
{
"binary_name": "linux-tools-6.8.0-1060-oracle-64k",
"binary_version": "6.8.0-1060.63~22.04.1"
}
]
}{
"cves": [
{
"id": "CVE-2026-53224",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53247",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8643-5.json"
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "linux-buildinfo-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-headers-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-ibm-headers-6.8.0-1063",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-ibm-tools-6.8.0-1063",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-image-unsigned-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-modules-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-modules-extra-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-modules-iwlwifi-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
},
{
"binary_name": "linux-tools-6.8.0-1063-ibm",
"binary_version": "6.8.0-1063.64"
}
]
}{
"cves": [
{
"id": "CVE-2026-53224",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53247",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8643-5.json"
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "linux-buildinfo-6.8.0-1063-raspi",
"binary_version": "6.8.0-1063.67"
},
{
"binary_name": "linux-headers-6.8.0-1063-raspi",
"binary_version": "6.8.0-1063.67"
},
{
"binary_name": "linux-image-6.8.0-1063-raspi",
"binary_version": "6.8.0-1063.67"
},
{
"binary_name": "linux-modules-6.8.0-1063-raspi",
"binary_version": "6.8.0-1063.67"
},
{
"binary_name": "linux-raspi-headers-6.8.0-1063",
"binary_version": "6.8.0-1063.67"
},
{
"binary_name": "linux-raspi-tools-6.8.0-1063",
"binary_version": "6.8.0-1063.67"
},
{
"binary_name": "linux-tools-6.8.0-1063-raspi",
"binary_version": "6.8.0-1063.67"
}
]
}{
"cves": [
{
"id": "CVE-2026-53224",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53247",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8643-5.json"
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "linux-buildinfo-6.8.0-2052-raspi-realtime",
"binary_version": "6.8.0-2052.54"
},
{
"binary_name": "linux-headers-6.8.0-2052-raspi-realtime",
"binary_version": "6.8.0-2052.54"
},
{
"binary_name": "linux-image-6.8.0-2052-raspi-realtime",
"binary_version": "6.8.0-2052.54"
},
{
"binary_name": "linux-modules-6.8.0-2052-raspi-realtime",
"binary_version": "6.8.0-2052.54"
},
{
"binary_name": "linux-raspi-realtime-headers-6.8.0-2052",
"binary_version": "6.8.0-2052.54"
},
{
"binary_name": "linux-raspi-realtime-tools-6.8.0-2052",
"binary_version": "6.8.0-2052.54"
},
{
"binary_name": "linux-tools-6.8.0-2052-raspi-realtime",
"binary_version": "6.8.0-2052.54"
}
]
}{
"cves": [
{
"id": "CVE-2026-53224",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-53247",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:Realtime:24.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8643-5.json"