USN-7906-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-7906-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7906-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7906-1
Upstream
Related
Published
2025-12-03T11:34:56Z
Modified
2026-08-27T16:49:05Z
Summary
linux, linux-aws, linux-realtime 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;
  • Cryptographic API;
  • Android drivers;
  • TTY drivers;
  • F2FS file system;
  • 9P file system network protocol; (CVE-2025-40025, CVE-2025-40026, CVE-2025-40027, CVE-2025-40028, CVE-2025-40108, CVE-2025-40109)
References

Affected packages

Ubuntu:25.10 / linux

Package

Name
linux
Purl
pkg:deb/ubuntu/linux?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.17.0-7.7

Affected versions

6.*
6.14.0-15.15
6.15.0-3.3
6.15.0-4.4
6.16.0-13.13
6.16.0-16.16
6.17.0-3.3
6.17.0-4.4
6.17.0-5.5
6.17.0-6.6

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "bpftool",
            "binary_version":  "7.7.0+6.17.0-7.7"
        },
        {
            "binary_name":  "linux-buildinfo-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-buildinfo-6.17.0-7-generic-64k",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-cloud-tools-6.17.0-7",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-cloud-tools-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-cloud-tools-common",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-headers-6.17.0-7",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-headers-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-headers-6.17.0-7-generic-64k",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-image-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-image-unsigned-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-image-unsigned-6.17.0-7-generic-64k",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-lib-rust-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-6.17.0-7-generic-64k",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-ipu6-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-ipu7-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-iwlwifi-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-usbio-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-modules-vision-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-perf",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-source-6.17.0",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-tools-6.17.0-7",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-tools-6.17.0-7-generic",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-tools-6.17.0-7-generic-64k",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-tools-common",
            "binary_version":  "6.17.0-7.7"
        },
        {
            "binary_name":  "linux-tools-host",
            "binary_version":  "6.17.0-7.7"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2025-40025",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "high",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40026",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40027",
            "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":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40028",
            "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-2025-40108",
            "severity":  [
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40109",
            "severity":  [
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7906-1.json"

Ubuntu:25.10 / linux-aws

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.17.0-1004.4

Affected versions

6.*
6.14.0-1005.5
6.14.0-1007.7+25.10.2
6.16.0-1001.1
6.17.0-1001.1
6.17.0-1002.2
6.17.0-1003.3

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "linux-aws-cloud-tools-6.17.0-1004",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-aws-headers-6.17.0-1004",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-aws-tools-6.17.0-1004",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-buildinfo-6.17.0-1004-aws",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-buildinfo-6.17.0-1004-aws-64k",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-cloud-tools-6.17.0-1004-aws",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-cloud-tools-6.17.0-1004-aws-64k",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-headers-6.17.0-1004-aws",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-headers-6.17.0-1004-aws-64k",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-image-unsigned-6.17.0-1004-aws",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-image-unsigned-6.17.0-1004-aws-64k",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-modules-6.17.0-1004-aws",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-modules-6.17.0-1004-aws-64k",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-tools-6.17.0-1004-aws",
            "binary_version":  "6.17.0-1004.4"
        },
        {
            "binary_name":  "linux-tools-6.17.0-1004-aws-64k",
            "binary_version":  "6.17.0-1004.4"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2025-40025",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "high",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40026",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40027",
            "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":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40028",
            "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-2025-40108",
            "severity":  [
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40109",
            "severity":  [
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7906-1.json"

Ubuntu:25.10 / linux-realtime

Package

Name
linux-realtime
Purl
pkg:deb/ubuntu/linux-realtime?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.17.0-1003.4

Affected versions

6.*
6.14.0-1002.2
6.17.0-1001.2
6.17.0-1002.3

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "linux-buildinfo-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-cloud-tools-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-headers-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-image-unsigned-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-modules-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-modules-iwlwifi-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-realtime-cloud-tools-6.17.0-1003",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-realtime-headers-6.17.0-1003",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-realtime-tools-6.17.0-1003",
            "binary_version":  "6.17.0-1003.4"
        },
        {
            "binary_name":  "linux-tools-6.17.0-1003-realtime",
            "binary_version":  "6.17.0-1003.4"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2025-40025",
            "severity":  [
                {
                    "score":  "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "high",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40026",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40027",
            "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":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40028",
            "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-2025-40108",
            "severity":  [
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2025-40109",
            "severity":  [
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7906-1.json"