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    CVE-2011-4127

    The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.

    Published:Dec 22, 2011
    Last Modified:Apr 11, 2025
    EPS:Jul 3, 2012
    EPSS Score:0.00044
    CVSS Score:4.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Suse
    Product
    Linux Enterprise Server

    Exploits

    https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35ehttps://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35ehttps://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462

    Common Weakness Enumeration

    CWE-284 Improper Access Control

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
    http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
    http://secunia.com/advisories/48898
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
    http://www.openwall.com/lists/oss-security/2011/12/22/5
    https://bugzilla.redhat.com/show_bug.cgi?id=752375
    https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
    https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
    http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
    http://secunia.com/advisories/48898
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
    http://www.openwall.com/lists/oss-security/2011/12/22/5
    https://bugzilla.redhat.com/show_bug.cgi?id=752375
    https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
    https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462

    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