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    CVE-2009-4026

    The mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (panic) via a crafted Delete Block ACK (aka DELBA) packet, related to an erroneous "code shuffling patch."

    Published:Nov 30, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 2, 2009
    EPSS Score:0.01217
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=827d42c9ac91ddd728e4f4a31fefb906ef2ceff7
    http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
    http://secunia.com/advisories/38017
    http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091201.gz
    http://www.openwall.com/lists/oss-security/2009/12/01/2
    http://www.securityfocus.com/bid/37170
    http://www.ubuntu.com/usn/usn-864-1
    https://bugzilla.redhat.com/show_bug.cgi?id=541149
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=827d42c9ac91ddd728e4f4a31fefb906ef2ceff7
    http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
    http://secunia.com/advisories/38017
    http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091201.gz
    http://www.openwall.com/lists/oss-security/2009/12/01/2
    http://www.securityfocus.com/bid/37170
    http://www.ubuntu.com/usn/usn-864-1
    https://bugzilla.redhat.com/show_bug.cgi?id=541149

    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