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    CVE-2007-5501

    The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7, and 2.6.24-rc through 2.6.24-rc2, allows remote attackers to cause a denial of service (crash) via crafted ACK responses that trigger a NULL pointer dereference.

    Published:Nov 15, 2007
    Last Modified:Apr 23, 2026
    EPS:Nov 15, 2007
    EPSS Score:0.07483
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    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://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=96a2d41a3e495734b63bff4e5dd0112741b93b38
    http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00002.html
    http://lwn.net/Articles/258947/
    http://secunia.com/advisories/27664
    http://secunia.com/advisories/27703
    http://secunia.com/advisories/27888
    http://secunia.com/advisories/27919
    http://secunia.com/advisories/27922
    http://secunia.com/advisories/28170
    http://secunia.com/advisories/28706
    http://secunia.com/advisories/29245
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.8
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc3
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:044
    http://www.novell.com/linux/security/advisories/2007_63_kernel.html
    http://www.securityfocus.com/bid/26474
    http://www.ubuntu.com/usn/usn-558-1
    http://www.ubuntu.com/usn/usn-574-1
    http://www.vupen.com/english/advisories/2007/3902
    https://exchange.xforce.ibmcloud.com/vulnerabilities/38548
    https://issues.rpath.com/browse/RPL-1965
    https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00032.html
    https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00170.html
    https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00302.html
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=96a2d41a3e495734b63bff4e5dd0112741b93b38
    http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00002.html
    http://lwn.net/Articles/258947/
    http://secunia.com/advisories/27664
    http://secunia.com/advisories/27703
    http://secunia.com/advisories/27888
    http://secunia.com/advisories/27919
    http://secunia.com/advisories/27922
    http://secunia.com/advisories/28170
    http://secunia.com/advisories/28706
    http://secunia.com/advisories/29245
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.8
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc3
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:044
    http://www.novell.com/linux/security/advisories/2007_63_kernel.html
    http://www.securityfocus.com/bid/26474
    http://www.ubuntu.com/usn/usn-558-1
    http://www.ubuntu.com/usn/usn-574-1
    http://www.vupen.com/english/advisories/2007/3902
    https://exchange.xforce.ibmcloud.com/vulnerabilities/38548
    https://issues.rpath.com/browse/RPL-1965
    https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00032.html
    https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00170.html
    https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00302.html

    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