USN-3695-2

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-3695-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3695-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-3695-2
Upstream
Related
Published
2018-07-02T17:49:33.746517Z
Modified
2025-10-13T04:34:40Z
Summary
linux-hwe, linux-azure vulnerabilities
Details

USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS.

Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-1094)

It was discovered that the cdrom driver in the Linux kernel contained an incorrect bounds check. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-10940)

Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly validate xattr sizes. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-1095)

Jann Horn discovered that the 32 bit adjtimex() syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-11508)

It was discovered that an information leak vulnerability existed in the floppy driver in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-7755)

References

Affected packages

Ubuntu:16.04:LTS / linux-azure

Package

Name
linux-azure
Purl
pkg:deb/ubuntu/linux-azure@4.15.0-1014.14~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1014.14~16.04.1

Affected versions

4.*

4.11.0-1009.9
4.11.0-1011.11
4.11.0-1013.13
4.11.0-1014.14
4.11.0-1015.15
4.11.0-1016.16
4.13.0-1005.7
4.13.0-1006.8
4.13.0-1007.9
4.13.0-1009.12
4.13.0-1011.14
4.13.0-1012.15
4.13.0-1014.17
4.13.0-1016.19
4.13.0-1018.21
4.15.0-1013.13~16.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-azure-cloud-tools-4.15.0-1014",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-azure-headers-4.15.0-1014",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-azure-tools-4.15.0-1014",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-4.15.0-1014-azure",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-1014-azure",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-4.15.0-1014-azure",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-1014-azure",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-modules-extra-4.15.0-1014-azure",
            "binary_version": "4.15.0-1014.14~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-1014-azure",
            "binary_version": "4.15.0-1014.14~16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-1094",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-1095",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-7755",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-10940",
            "severity": [
                {
                    "score": "CVSS:3.0/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-2018-11508",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:16.04:LTS / linux-hwe

Package

Name
linux-hwe
Purl
pkg:deb/ubuntu/linux-hwe@4.15.0-24.26~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-24.26~16.04.1

Affected versions

4.*

4.8.0-36.36~16.04.1
4.8.0-39.42~16.04.1
4.8.0-41.44~16.04.1
4.8.0-42.45~16.04.1
4.8.0-44.47~16.04.1
4.8.0-45.48~16.04.1
4.8.0-46.49~16.04.1
4.8.0-49.52~16.04.1
4.8.0-51.54~16.04.1
4.8.0-52.55~16.04.1
4.8.0-53.56~16.04.1
4.8.0-54.57~16.04.1
4.8.0-56.61~16.04.1
4.8.0-58.63~16.04.1
4.10.0-27.30~16.04.2
4.10.0-28.32~16.04.2
4.10.0-30.34~16.04.1
4.10.0-32.36~16.04.1
4.10.0-33.37~16.04.1
4.10.0-35.39~16.04.1
4.10.0-37.41~16.04.1
4.10.0-38.42~16.04.1
4.10.0-40.44~16.04.1
4.10.0-42.46~16.04.1
4.13.0-26.29~16.04.2
4.13.0-31.34~16.04.1
4.13.0-32.35~16.04.1
4.13.0-36.40~16.04.1
4.13.0-37.42~16.04.1
4.13.0-38.43~16.04.1
4.13.0-39.44~16.04.1
4.13.0-41.46~16.04.1
4.13.0-43.48~16.04.1
4.13.0-45.50~16.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
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        },
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            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "firewire-core-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "floppy-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "fs-core-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "fs-core-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "fs-secondary-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "fs-secondary-modules-4.15.0-24-generic-lpae-di",
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            "binary_name": "message-modules-4.15.0-24-generic-di",
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            "binary_version": "4.15.0-24.26~16.04.1"
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            "binary_version": "4.15.0-24.26~16.04.1"
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            "binary_version": "4.15.0-24.26~16.04.1"
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            "binary_version": "4.15.0-24.26~16.04.1"
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            "binary_name": "usb-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "usb-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "virtio-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "vlan-modules-4.15.0-24-generic-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        },
        {
            "binary_name": "vlan-modules-4.15.0-24-generic-lpae-di",
            "binary_version": "4.15.0-24.26~16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-1094",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-1095",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-7755",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-10940",
            "severity": [
                {
                    "score": "CVSS:3.0/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-2018-11508",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}