USN-8637-1
- Source
- https://ubuntu.com/security/notices/USN-8637-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8637-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-8637-1
- Upstream
- Related
- Published
- 2026-08-13T17:59:27Z
- Modified
- 2026-08-14T01:38:55.807084445Z
- Summary
- linux-oem-7.0 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; - Thunderbolt and USB4 drivers; - Network traffic control; - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - SCTP protocol; (CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53146, CVE-2026-53147, CVE-2026-53148, CVE-2026-53149, CVE-2026-53150, CVE-2026-53151, CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53260, CVE-2026-53359)
- References
-
- https://ubuntu.com/security/notices/USN-8637-1
- https://ubuntu.com/security/CVE-2026-46331
- https://ubuntu.com/security/CVE-2026-52924
- https://ubuntu.com/security/CVE-2026-53131
- https://ubuntu.com/security/CVE-2026-53146
- https://ubuntu.com/security/CVE-2026-53147
- https://ubuntu.com/security/CVE-2026-53148
- https://ubuntu.com/security/CVE-2026-53149
- https://ubuntu.com/security/CVE-2026-53150
- https://ubuntu.com/security/CVE-2026-53151
- https://ubuntu.com/security/CVE-2026-53175
- https://ubuntu.com/security/CVE-2026-53176
- https://ubuntu.com/security/CVE-2026-53186
- https://ubuntu.com/security/CVE-2026-53212
- https://ubuntu.com/security/CVE-2026-53215
- https://ubuntu.com/security/CVE-2026-53216
- https://ubuntu.com/security/CVE-2026-53221
- 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-2026-53260
- https://ubuntu.com/security/CVE-2026-53359
Affected packages
Ubuntu:26.04:LTS / linux-oem-7.0
Package
- Name
- linux-oem-7.0
- Purl
- pkg:deb/ubuntu/linux-oem-7.0?arch=source&distro=resolute
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed7.0.0-1010.10
Ecosystem specific
{
"binaries": [
{
"binary_name": "linux-buildinfo-7.0.0-1010-oem",
"binary_version": "7.0.0-1010.10"
},
{
"binary_name": "linux-headers-7.0.0-1010-oem",
"binary_version": "7.0.0-1010.10"
},
{
"binary_name": "linux-image-unsigned-7.0.0-1010-oem",
"binary_version": "7.0.0-1010.10"
},
{
"binary_name": "linux-modules-7.0.0-1010-oem",
"binary_version": "7.0.0-1010.10"
},
{
"binary_name": "linux-oem-7.0-headers-7.0.0-1010",
"binary_version": "7.0.0-1010.10"
},
{
"binary_name": "linux-oem-7.0-tools-7.0.0-1010",
"binary_version": "7.0.0-1010.10"
},
{
"binary_name": "linux-tools-7.0.0-1010-oem",
"binary_version": "7.0.0-1010.10"
}
],
"availability": "No subscription required"
}
Database specific
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8637-1.json"
cves_map
{
"cves": [
{
"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"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"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-2026-46331"
},
{
"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: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-2026-52924"
},
{
"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:L/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2026-53131"
},
{
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"id": "CVE-2026-53146"
},
{
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"
},
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2026-53147"
},
{
"severity": [
{
"score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"type": "Ubuntu",
"score": "high"
}
],
"id": "CVE-2026-53148"
},
{
"severity": [
{
"score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:N/A:H",
"type": "CVSS_V3"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2026-53149"
},
{
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:P/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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2026-53150"
},
{
"severity": [
{
"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_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"type": "Ubuntu",
"score": "high"
}
],
"id": "CVE-2026-53151"
},
{
"severity": [
{
"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_V4"
},
{
"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-2026-53175"
},
{
"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-2026-53176"
},
{
"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"
},
{
"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-2026-53186"
},
{
"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"
},
{
"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-2026-53212"
},
{
"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-2026-53215"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"id": "CVE-2026-53216"
},
{
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"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-2026-53221"
},
{
"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-2026-53224"
},
{
"severity": [
{
"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_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": "negligible",
"type": "Ubuntu"
}
],
"id": "CVE-2026-53225"
},
{
"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-2026-53228"
},
{
"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"
},
{
"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_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2026-53247"
},
{
"severity": [
{
"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_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"type": "Ubuntu",
"score": "critical"
}
],
"id": "CVE-2026-53260"
},
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2026-53359"
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}