UBUNTU-CVE-2012-2745

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    UBUNTU-CVE-2012-2745

    Published: 9 Aug 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-2745
    Aliases:
    USN-1448-1
    USN-1452-1
    USN-1455-1

    Summary:

    Details: The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call.

    References: https://ubuntu.com/security/CVE-2012-2745, https://rhn.redhat.com/errata/RHSA-2012-1064.html, https://ubuntu.com/security/notices/USN-1567-1, https://ubuntu.com/security/notices/USN-1574-1, https://ubuntu.com/security/notices/USN-1448-1, https://ubuntu.com/security/notices/USN-1459-1, https://ubuntu.com/security/notices/USN-1460-1, https://ubuntu.com/security/notices/USN-1452-1, https://ubuntu.com/security/notices/USN-1597-1, https://ubuntu.com/security/notices/USN-1606-1, https://ubuntu.com/security/notices/USN-1455-1, https://www.cve.org/CVERecord?id=CVE-2012-2745

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.11.0-12.19

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High