USN-6446-2

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service (host system crash) or possibly execute arbitrary code. (CVE-2023-34319)

Bien Pham discovered that the netfiler subsystem in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4244)

Kyle Zeng discovered that the networking stack implementation in the Linux kernel did not properly validate skb object size in certain conditions. An attacker could use this cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42752)

Kyle Zeng discovered that the netfiler subsystem in the Linux kernel did not properly calculate array offsets, leading to a out-of-bounds write vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42753)

Kyle Zeng discovered that the IPv4 Resource Reservation Protocol (RSVP) classifier implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). Please note that kernel packet classifier support for RSVP has been removed to resolve this vulnerability. (CVE-2023-42755)

Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-42756)

Bing-Jhong Billy Jheng discovered that the Unix domain socket implementation in the Linux kernel contained a race condition in certain situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4622)

Budimir Markovic discovered that the qdisc implementation in the Linux kernel did not properly validate inner classes, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4623)

Alex Birnberg discovered that the netfilter subsystem in the Linux kernel did not properly validate register length, leading to an out-of- bounds write vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-4881)

It was discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel did not properly handle network packets in certain conditions, leading to a use after free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4921)

Kevin Rich discovered that the netfilter subsystem in the Linux kernel did not properly handle removal of rules from chain bindings in certain circumstances, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-5197)

References

Affected packages

Ubuntu:20.04:LTS / linux-gcp-5.15

Package

Name: linux-gcp-5.15
Purl: pkg:deb/ubuntu/linux-gcp-5.15@5.15.0-1045.53~20.04.2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.15.0-1045.53~20.04.2

Affected versions

5.*

5.15.0-1006.9~20.04.1

5.15.0-1012.17~20.04.1

5.15.0-1013.18~20.04.1

5.15.0-1016.21~20.04.1

5.15.0-1017.23~20.04.2

5.15.0-1018.24~20.04.1

5.15.0-1021.28~20.04.1

5.15.0-1022.29~20.04.1

5.15.0-1025.32~20.04.2

5.15.0-1026.33~20.04.1

5.15.0-1027.34~20.04.1

5.15.0-1029.36~20.04.1

5.15.0-1030.37~20.04.1

5.15.0-1031.38~20.04.1

5.15.0-1032.40~20.04.1

5.15.0-1033.41~20.04.1

5.15.0-1034.42~20.04.1

5.15.0-1035.43~20.04.1

5.15.0-1036.44~20.04.1

5.15.0-1037.45~20.04.1

5.15.0-1038.46~20.04.1

5.15.0-1039.47~20.04.1

5.15.0-1040.48~20.04.1

5.15.0-1041.49~20.04.1

5.15.0-1042.50~20.04.1

5.15.0-1044.52~20.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-buildinfo-5.15.0-1045-gcp"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-gcp-5.15-headers-5.15.0-1045"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-gcp-5.15-tools-5.15.0-1045"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-headers-5.15.0-1045-gcp"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-image-unsigned-5.15.0-1045-gcp"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-modules-5.15.0-1045-gcp"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-modules-extra-5.15.0-1045-gcp"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-modules-iwlwifi-5.15.0-1045-gcp"
        },
        {
            "binary_version": "5.15.0-1045.53~20.04.2",
            "binary_name": "linux-tools-5.15.0-1045-gcp"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "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": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-4244"
        },
        {
            "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": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-4622"
        },
        {
            "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": "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-2023-4623"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-4881"
        },
        {
            "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": "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-2023-4921"
        },
        {
            "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-5197"
        },
        {
            "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": "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-2023-34319"
        },
        {
            "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42752"
        },
        {
            "severity": [
                {
                    "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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42753"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42755"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42756"
        }
    ]
}

Ubuntu:20.04:LTS / linux-gkeop-5.15

Package

Name: linux-gkeop-5.15
Purl: pkg:deb/ubuntu/linux-gkeop-5.15@5.15.0-1031.37~20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.15.0-1031.37~20.04.1

Affected versions

5.*

5.15.0-1003.5~20.04.2

5.15.0-1005.7~20.04.1

5.15.0-1007.10~20.04.1

5.15.0-1008.12~20.04.1

5.15.0-1011.15~20.04.2

5.15.0-1012.16~20.04.1

5.15.0-1013.17~20.04.1

5.15.0-1015.19~20.04.1

5.15.0-1016.21~20.04.1

5.15.0-1017.22~20.04.1

5.15.0-1018.23~20.04.1

5.15.0-1019.24~20.04.1

5.15.0-1020.25~20.04.1

5.15.0-1021.26~20.04.1

5.15.0-1022.27~20.04.1

5.15.0-1023.28~20.04.1

5.15.0-1024.29~20.04.1

5.15.0-1025.30~20.04.1

5.15.0-1026.31~20.04.1

5.15.0-1027.32~20.04.1

5.15.0-1028.33~20.04.1

5.15.0-1030.35~20.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-buildinfo-5.15.0-1031-gkeop"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-cloud-tools-5.15.0-1031-gkeop"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-gkeop-5.15-cloud-tools-5.15.0-1031"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-gkeop-5.15-headers-5.15.0-1031"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-gkeop-5.15-tools-5.15.0-1031"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-headers-5.15.0-1031-gkeop"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-image-unsigned-5.15.0-1031-gkeop"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-modules-5.15.0-1031-gkeop"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-modules-extra-5.15.0-1031-gkeop"
        },
        {
            "binary_version": "5.15.0-1031.37~20.04.1",
            "binary_name": "linux-tools-5.15.0-1031-gkeop"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "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": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-4244"
        },
        {
            "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": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-4622"
        },
        {
            "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": "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-2023-4623"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-4881"
        },
        {
            "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": "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-2023-4921"
        },
        {
            "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-5197"
        },
        {
            "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": "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-2023-34319"
        },
        {
            "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42752"
        },
        {
            "severity": [
                {
                    "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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42753"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42755"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-42756"
        }
    ]
}