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    CVE-2006-4813

    The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.

    Published:Oct 11, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 12, 2006
    EPSS Score:0.00088
    CVSS Score:2.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://osvdb.org/31376
    http://rhn.redhat.com/errata/RHSA-2007-0014.html
    http://secunia.com/advisories/23370
    http://secunia.com/advisories/23384
    http://secunia.com/advisories/23474
    http://secunia.com/advisories/23752
    http://secunia.com/advisories/23997
    http://secunia.com/advisories/24206
    http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
    http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=152becd26e0563aefdbc4fd1fe491928efe92d1f
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
    http://www.novell.com/linux/security/advisories/2006_79_kernel.html
    http://www.securityfocus.com/bid/21522
    http://www.ubuntu.com/usn/usn-395-1
    http://www.us.debian.org/security/2006/dsa-1233
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207463
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11701
    http://osvdb.org/31376
    http://rhn.redhat.com/errata/RHSA-2007-0014.html
    http://secunia.com/advisories/23370
    http://secunia.com/advisories/23384
    http://secunia.com/advisories/23474
    http://secunia.com/advisories/23752
    http://secunia.com/advisories/23997
    http://secunia.com/advisories/24206
    http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
    http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=152becd26e0563aefdbc4fd1fe491928efe92d1f
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
    http://www.novell.com/linux/security/advisories/2006_79_kernel.html
    http://www.securityfocus.com/bid/21522
    http://www.ubuntu.com/usn/usn-395-1
    http://www.us.debian.org/security/2006/dsa-1233
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207463
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11701

    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