USN-8291-2

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: - SMB network file system; - Netfilter; - io_uring subsystem; (CVE-2024-35862, CVE-2024-50060, CVE-2026-23274, CVE-2026-23351)

References

Affected packages

Ubuntu:Pro:20.04:LTS / linux-lowlatency-hwe-5.15

Package

Name: linux-lowlatency-hwe-5.15
Purl: pkg:deb/ubuntu/linux-lowlatency-hwe-5.15?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.15.0-178.188~20.04.1

Affected versions

5.*

5.15.0-33.34~20.04.1

5.15.0-42.45~20.04.1

5.15.0-43.46~20.04.1

5.15.0-46.49~20.04.1

5.15.0-48.54~20.04.1

5.15.0-50.56~20.04.1

5.15.0-52.58~20.04.1

5.15.0-53.59~20.04.1

5.15.0-56.62~20.04.1

5.15.0-58.64~20.04.1

5.15.0-60.66~20.04.1

5.15.0-67.74~20.04.1

5.15.0-69.76~20.04.1

5.15.0-70.77~20.04.1

5.15.0-71.78~20.04.1

5.15.0-72.79~20.04.1

5.15.0-73.80~20.04.1

5.15.0-75.82~20.04.1

5.15.0-76.83~20.04.1

5.15.0-78.85~20.04.1

5.15.0-79.88~20.04.1

5.15.0-82.91~20.04.1

5.15.0-83.92~20.04.1

5.15.0-84.93~20.04.1

5.15.0-86.95~20.04.1

5.15.0-87.96~20.04.1

5.15.0-88.98~20.04.1

5.15.0-89.99~20.04.1

5.15.0-91.101~20.04.1

5.15.0-92.102~20.04.1

5.15.0-94.104~20.04.1

5.15.0-97.107~20.04.1

5.15.0-100.110~20.04.1

5.15.0-101.111~20.04.1

5.15.0-102.112~20.04.1

5.15.0-105.115~20.04.1

5.15.0-106.116~20.04.1

5.15.0-107.117~20.04.1

5.15.0-110.120~20.04.1

5.15.0-113.123~20.04.1

5.15.0-116.126~20.04.1

5.15.0-117.127~20.04.1

5.15.0-118.128~20.04.1

5.15.0-119.129~20.04.1

5.15.0-121.131~20.04.1

5.15.0-122.132~20.04.1

5.15.0-124.134~20.04.1

5.15.0-125.135~20.04.1

5.15.0-126.136~20.04.1

5.15.0-127.137~20.04.1

5.15.0-128.138~20.04.1

5.15.0-129.139~20.04.1

5.15.0-131.141~20.04.1

5.15.0-133.143~20.04.1

5.15.0-134.145~20.04.1

5.15.0-135.146~20.04.1

5.15.0-136.147~20.04.1

5.15.0-138.148~20.04.1

5.15.0-139.149~20.04.1

5.15.0-140.150~20.04.1

5.15.0-142.152~20.04.1

5.15.0-143.153~20.04.1

5.15.0-144.157~20.04.1

5.15.0-145.158~20.04.1

5.15.0-152.162~20.04.1

5.15.0-153.163~20.04.1

5.15.0-156.166~20.04.1

5.15.0-157.167~20.04.1

5.15.0-160.170~20.04.1

5.15.0-161.171~20.04.1

5.15.0-163.173~20.04.1

5.15.0-164.174~20.04.1

5.15.0-168.178~20.04.1

5.15.0-170.180~20.04.1

5.15.0-171.181~20.04.1

5.15.0-173.183~20.04.1

5.15.0-174.184~20.04.1

5.15.0-175.185~20.04.1

5.15.0-177.187~20.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "linux-buildinfo-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-buildinfo-5.15.0-178-lowlatency-64k",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-headers-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-headers-5.15.0-178-lowlatency-64k",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-5.15.0-178-lowlatency-64k",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-lowlatency-hwe-5.15-cloud-tools-5.15.0-178",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-lowlatency-hwe-5.15-headers-5.15.0-178",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-lowlatency-hwe-5.15-tools-5.15.0-178",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-modules-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-modules-5.15.0-178-lowlatency-64k",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-modules-iwlwifi-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-tools-5.15.0-178-lowlatency",
            "binary_version": "5.15.0-178.188~20.04.1"
        },
        {
            "binary_name": "linux-tools-5.15.0-178-lowlatency-64k",
            "binary_version": "5.15.0-178.188~20.04.1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2024-35862",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2024-50060",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-23274",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-23351",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8291-2.json"