CVE-2013-1959

    Dashboard / Vulnerabilities / CVE-2013-1959

    CVE-2013-1959

    Published: 3 May 2013Last Modified: 10 Apr 2026

    Summary:

    Details: kernel/user_namespace.c in the Linux kernel before 3.8.9 does not have appropriate capability requirements for the uid_map and gid_map files, which allows local users to gain privileges by opening a file within an unprivileged process and then modifying the file within a privileged process.

    References: http://www.openwall.com/lists/oss-security/2013/04/29/1, https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b, https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0, http://www.exploit-db.com/exploits/25307, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9

    Affected packages

    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