UBUNTU-CVE-2011-2695

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    UBUNTU-CVE-2011-2695

    Published: 28 Jul 2011Last Modified: 4 Feb 2026
    Upstream:
    CVE-2011-2695
    Aliases:
    USN-1228-1
    USN-1239-1
    USN-1240-1

    Summary:

    Details: Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.

    References: https://ubuntu.com/security/CVE-2011-2695, https://ubuntu.com/security/notices/USN-1228-1, https://ubuntu.com/security/notices/USN-1239-1, https://ubuntu.com/security/notices/USN-1242-1, https://ubuntu.com/security/notices/USN-1246-1, https://ubuntu.com/security/notices/USN-1245-1, https://ubuntu.com/security/notices/USN-1241-1, https://ubuntu.com/security/notices/USN-1243-1, https://ubuntu.com/security/notices/USN-1244-1, https://ubuntu.com/security/notices/USN-1240-1, https://ubuntu.com/security/notices/USN-1253-1, https://ubuntu.com/security/notices/USN-1256-1, https://www.cve.org/CVERecord?id=CVE-2011-2695

    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