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    CVE-2008-2931

    The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.

    Published:May 8, 2007
    Last Modified:Apr 23, 2026
    EPS:Jul 9, 2008
    EPSS Score:0.00027
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Novell
    Product
    Suse Linux Enterprise Desktop
    Vendor
    Novell
    Product
    Suse Linux Enterprise Server
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=ee6f958291e2a768fd727e7a67badfff0b67711a
    http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
    http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
    http://secunia.com/advisories/30982
    http://secunia.com/advisories/31551
    http://secunia.com/advisories/31614
    http://secunia.com/advisories/32023
    http://secunia.com/advisories/32759
    http://www.debian.org/security/2008/dsa-1630
    http://www.openwall.com/lists/oss-security/2008/07/08/3
    http://www.openwall.com/lists/oss-security/2008/07/08/4
    http://www.redhat.com/support/errata/RHSA-2008-0885.html
    http://www.securityfocus.com/bid/30126
    https://bugzilla.redhat.com/show_bug.cgi?id=454388
    https://exchange.xforce.ibmcloud.com/vulnerabilities/43696
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437
    https://usn.ubuntu.com/637-1/
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=ee6f958291e2a768fd727e7a67badfff0b67711a
    http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
    http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
    http://secunia.com/advisories/30982
    http://secunia.com/advisories/31551
    http://secunia.com/advisories/31614
    http://secunia.com/advisories/32023
    http://secunia.com/advisories/32759
    http://www.debian.org/security/2008/dsa-1630
    http://www.openwall.com/lists/oss-security/2008/07/08/3
    http://www.openwall.com/lists/oss-security/2008/07/08/4
    http://www.redhat.com/support/errata/RHSA-2008-0885.html
    http://www.securityfocus.com/bid/30126
    https://bugzilla.redhat.com/show_bug.cgi?id=454388
    https://exchange.xforce.ibmcloud.com/vulnerabilities/43696
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437
    https://usn.ubuntu.com/637-1/

    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