UBUNTU-CVE-2016-5340

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Source
https://ubuntu.com/security/CVE-2016-5340
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5340.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-5340
Upstream
  • CVE-2016-5340
Withdrawn
2025-07-18T16:43:33Z
Published
2016-08-07T21:59:00Z
Modified
2025-07-16T07:34:45.461986Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.4 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The isashmemfile function in drivers/staging/android/ashmem.c in a certain Qualcomm Innovation Center (QuIC) Android patch for the Linux kernel 3.x mishandles pointer validation within the KGSL Linux Graphics Module, which allows attackers to bypass intended access restrictions by using the /ashmem string as the dentry name.

References

Affected packages

Ubuntu:14.04:LTS / linux-azure

Package

Name
linux-azure
Purl
pkg:deb/ubuntu/linux-azure@4.15.0-1023.24~14.04.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1023.24~14.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-azure-cloud-tools-4.15.0-1023"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-azure-cloud-tools-4.15.0-1023-dbgsym"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-azure-headers-4.15.0-1023"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-azure-tools-4.15.0-1023"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-azure-tools-4.15.0-1023-dbgsym"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-cloud-tools-4.15.0-1023-azure"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-headers-4.15.0-1023-azure"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-image-unsigned-4.15.0-1023-azure"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-image-unsigned-4.15.0-1023-azure-dbgsym"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-modules-4.15.0-1023-azure"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-modules-extra-4.15.0-1023-azure"
        },
        {
            "binary_version": "4.15.0-1023.24~14.04.1",
            "binary_name": "linux-tools-4.15.0-1023-azure"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5340.json"