USN-8630-4

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;
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-2026-53225, CVE-2026-53228, CVE-2026-53359)

References

Affected packages

Ubuntu:22.04:LTS / linux-aws-6.8

Package

Name: linux-aws-6.8
Purl: pkg:deb/ubuntu/linux-aws-6.8?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

6.8.0-1062.65~22.04.2

Affected versions

6.*

6.8.0-1009.9~22.04.2

6.8.0-1010.10~22.04.2

6.8.0-1011.12~22.04.1

6.8.0-1013.14~22.04.1

6.8.0-1014.15~22.04.1

6.8.0-1015.16~22.04.1

6.8.0-1016.17~22.04.2

6.8.0-1017.18~22.04.1

6.8.0-1018.19~22.04.1

6.8.0-1019.21~22.04.1

6.8.0-1020.22~22.04.1

6.8.0-1021.23~22.04.1

6.8.0-1023.25~22.04.1

6.8.0-1024.26~22.04.1

6.8.0-1027.29~22.04.1

6.8.0-1028.30~22.04.1

6.8.0-1029.31~22.04.1

6.8.0-1030.32~22.04.1

6.8.0-1031.33~22.04.1

6.8.0-1032.34~22.04.1

6.8.0-1033.35~22.04.1

6.8.0-1035.37~22.04.1

6.8.0-1036.38~22.04.1

6.8.0-1039.41~22.04.1

6.8.0-1040.42~22.04.1

6.8.0-1041.43~22.04.1

6.8.0-1042.44~22.04.1

6.8.0-1043.45~22.04.1

6.8.0-1044.46~22.04.1

6.8.0-1045.47~22.04.1

6.8.0-1046.49~22.04.1

6.8.0-1047.50~22.04.1

6.8.0-1050.53~22.04.1

6.8.0-1051.54~22.04.1

6.8.0-1052.55~22.04.1

6.8.0-1053.56~22.04.1

6.8.0-1055.58~22.04.1

6.8.0-1057.60~22.04.1

6.8.0-1060.63~22.04.1

6.8.0-1061.64~22.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-aws-6.8-cloud-tools-6.8.0-1062",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-aws-6.8-headers-6.8.0-1062",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-aws-6.8-tools-6.8.0-1062",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-buildinfo-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-buildinfo-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-cloud-tools-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-cloud-tools-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-headers-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-headers-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-image-unsigned-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-image-unsigned-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-modules-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-modules-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-modules-extra-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-modules-extra-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-tools-6.8.0-1062-aws",
            "binary_version": "6.8.0-1062.65~22.04.2"
        },
        {
            "binary_name": "linux-tools-6.8.0-1062-aws-64k",
            "binary_version": "6.8.0-1062.65~22.04.2"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2026-43083",
            "severity": [
                {
                    "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_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-2026-43197",
            "severity": [
                {
                    "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_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-2026-43198",
            "severity": [
                {
                    "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_V4"
                },
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-43465",
            "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-2026-46242",
            "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"
                },
                {
                    "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"
                }
            ]
        },
        {
            "id": "CVE-2026-46325",
            "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-2026-46331",
            "severity": [
                {
                    "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_V4"
                },
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-52914",
            "severity": [
                {
                    "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_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": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-52924",
            "severity": [
                {
                    "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_V4"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/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": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-52931",
            "severity": [
                {
                    "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_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-2026-53151",
            "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"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-53176",
            "severity": [
                {
                    "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_V4"
                },
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-53212",
            "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"
                }
            ]
        },
        {
            "id": "CVE-2026-53215",
            "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"
                },
                {
                    "score": "critical",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-53225",
            "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-2026-53228",
            "severity": [
                {
                    "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_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-2026-53359",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8630-4.json"