USN-8656-1
- Source
- https://ubuntu.com/security/notices/USN-8656-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8656-1.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/USN-8656-1
- Upstream
- Related
- Published
- 2026-08-20T21:21:56Z
- Modified
- 2026-08-21T05:42:43.816529952Z
- Summary
- linux-hwe-6.8 vulnerabilities
- Details
-
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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Mellanox network drivers; - File systems infrastructure; - IPv4 networking; - Network traffic control; - TCP network protocol; - B.A.T.M.A.N. meshing protocol; - IPv6 networking; - Multipath TCP; - Netfilter; - Open vSwitch; - RxRPC session sockets; - SCTP protocol; - SMC sockets; (CVE-2026-43083, CVE-2026-43197, CVE-2026-43198, CVE-2026-43465, CVE-2026-46242, CVE-2026-46325, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924, CVE-2026-52931, CVE-2026-53151, CVE-2026-53176, CVE-2026-53212, CVE-2026-53215, CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53359, CVE-2026-64531)
- References
-
- https://ubuntu.com/security/notices/USN-8656-1
- https://ubuntu.com/security/CVE-2026-43083
- https://ubuntu.com/security/CVE-2026-43197
- https://ubuntu.com/security/CVE-2026-43198
- https://ubuntu.com/security/CVE-2026-43465
- https://ubuntu.com/security/CVE-2026-46242
- https://ubuntu.com/security/CVE-2026-46325
- https://ubuntu.com/security/CVE-2026-46331
- https://ubuntu.com/security/CVE-2026-52914
- https://ubuntu.com/security/CVE-2026-52924
- https://ubuntu.com/security/CVE-2026-52931
- https://ubuntu.com/security/CVE-2026-53151
- https://ubuntu.com/security/CVE-2026-53176
- https://ubuntu.com/security/CVE-2026-53212
- https://ubuntu.com/security/CVE-2026-53215
- https://ubuntu.com/security/CVE-2026-53224
- https://ubuntu.com/security/CVE-2026-53225
- https://ubuntu.com/security/CVE-2026-53228
- https://ubuntu.com/security/CVE-2026-53246
- https://ubuntu.com/security/CVE-2026-53247
- https://ubuntu.com/security/CVE-2026-53359
- https://ubuntu.com/security/CVE-2026-64531
Affected packages
Ubuntu:22.04:LTS / linux-hwe-6.8
Package
- Name
- linux-hwe-6.8
- Purl
- pkg:deb/ubuntu/linux-hwe-6.8?arch=source&distro=jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed6.8.0-138.138~22.04.1
Affected versions
6.*
6.8.0-38.38~22.04.1
6.8.0-39.39~22.04.1
6.8.0-40.40~22.04.3
6.8.0-45.45~22.04.1
6.8.0-47.47~22.04.1
6.8.0-48.48~22.04.1
6.8.0-49.49~22.04.1
6.8.0-50.51~22.04.1
6.8.0-51.52~22.04.1
6.8.0-52.53~22.04.1
6.8.0-57.59~22.04.1
6.8.0-58.60~22.04.1
6.8.0-59.61~22.04.1
6.8.0-60.63~22.04.1
6.8.0-64.67~22.04.1
6.8.0-65.68~22.04.1
6.8.0-78.78~22.04.1
6.8.0-79.79~22.04.1
6.8.0-83.83~22.04.1
6.8.0-84.84~22.04.1
6.8.0-85.85~22.04.1
6.8.0-86.87~22.04.1
6.8.0-87.88~22.04.1
6.8.0-88.89~22.04.2
6.8.0-90.91~22.04.1
6.8.0-94.96~22.04.1
6.8.0-100.100~22.04.1
6.8.0-101.101~22.04.1
6.8.0-106.106~22.04.1
6.8.0-107.107~22.04.1
6.8.0-110.110~22.04.1
6.8.0-111.111~22.04.1
6.8.0-117.117~22.04.1
6.8.0-124.124~22.04.1
6.8.0-134.134~22.04.1
6.8.0-136.136~22.04.1
Ecosystem specific
{
"binaries": [
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-buildinfo-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-buildinfo-6.8.0-138-generic-64k"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-cloud-tools-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-headers-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-headers-6.8.0-138-generic-64k"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-hwe-6.8-cloud-tools-6.8.0-138"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-hwe-6.8-headers-6.8.0-138"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-hwe-6.8-tools-6.8.0-138"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-image-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-image-unsigned-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-image-unsigned-6.8.0-138-generic-64k"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-modules-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-modules-6.8.0-138-generic-64k"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-modules-extra-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-modules-ipu6-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-modules-iwlwifi-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-modules-usbio-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-tools-6.8.0-138-generic"
},
{
"binary_version": "6.8.0-138.138~22.04.1",
"binary_name": "linux-tools-6.8.0-138-generic-64k"
}
],
"availability": "No subscription required"
}
Database specific
cves_map
{
"ecosystem": "Ubuntu:22.04:LTS",
"cves": [
{
"id": "CVE-2026-43083",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2026-43197",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "negligible"
}
]
},
{
"id": "CVE-2026-43198",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/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-2026-43465",
"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": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-46242",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"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-2026-46325",
"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": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-46331",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/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-2026-52914",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
},
{
"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-2026-52924",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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-2026-52931",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N"
},
{
"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": "medium"
}
]
},
{
"id": "CVE-2026-53151",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N"
},
{
"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-2026-53176",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2026-53212",
"severity": [
{
"type": "CVSS_V4",
"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_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-2026-53215",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"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": "critical"
}
]
},
{
"id": "CVE-2026-53224",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2026-53225",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "negligible"
}
]
},
{
"id": "CVE-2026-53228",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"
},
{
"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": "medium"
}
]
},
{
"id": "CVE-2026-53246",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-53247",
"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": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2026-53359",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2026-64531",
"severity": [
{
"type": "CVSS_V4",
"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_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"
}
]
}
]
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8656-1.json"