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    CVE-2005-2801

    xattr.c in the ext2 and ext3 file system code for Linux kernel 2.6 does not properly compare the name_index fields when sharing xattr blocks, which could prevent default ACLs from being applied.

    Published:Feb 5, 2005
    Last Modified:Apr 16, 2026
    EPS:Sep 6, 2005
    EPSS Score:0.03343
    CVSS Score:7.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://acl.bestbits.at/pipermail/acl-devel/2005-February/001848.htmlhttp://acl.bestbits.at/pipermail/acl-devel/2005-February/001848.html

    Common Weakness Enumeration

    CWE-697 Incorrect Comparison

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-120 Double Encoding
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-15 Command Delimiters
    CAPEC-182 Flash Injection
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-41 Using Meta-characters in E-mail Headers to Inject Malicious Payloads
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-44 Overflow Binary Resource File
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities
    CAPEC-92 Forced Integer Overflow

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    References

    http://acl.bestbits.at/pipermail/acl-devel/2005-February/001848.html
    http://lists.debian.org/debian-kernel/2005/08/msg00238.html
    http://secunia.com/advisories/17073
    http://secunia.com/advisories/17826
    http://secunia.com/advisories/18056
    http://secunia.com/advisories/18059
    http://secunia.com/advisories/19252
    http://www.debian.org/security/2005/dsa-921
    http://www.debian.org/security/2005/dsa-922
    http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
    http://www.novell.com/linux/security/advisories/2005_18_kernel.html
    http://www.redhat.com/support/errata/RHSA-2005-514.html
    http://www.redhat.com/support/errata/RHSA-2006-0144.html
    http://www.securityfocus.com/archive/1/427980/100/0/threaded
    http://www.securityfocus.com/bid/14793
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10495
    http://acl.bestbits.at/pipermail/acl-devel/2005-February/001848.html
    http://lists.debian.org/debian-kernel/2005/08/msg00238.html
    http://secunia.com/advisories/17073
    http://secunia.com/advisories/17826
    http://secunia.com/advisories/18056
    http://secunia.com/advisories/18059
    http://secunia.com/advisories/19252
    http://www.debian.org/security/2005/dsa-921
    http://www.debian.org/security/2005/dsa-922
    http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
    http://www.novell.com/linux/security/advisories/2005_18_kernel.html
    http://www.redhat.com/support/errata/RHSA-2005-514.html
    http://www.redhat.com/support/errata/RHSA-2006-0144.html
    http://www.securityfocus.com/archive/1/427980/100/0/threaded
    http://www.securityfocus.com/bid/14793
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10495

    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