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    CVE-2006-4997

    The clip_mkip function in net/atm/clip.c of the ATM subsystem in Linux kernel allows remote attackers to cause a denial of service (panic) via unknown vectors that cause the ATM subsystem to access the memory of socket buffers after they are freed (freed pointer dereference).

    Published:Sep 12, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 9, 2006
    EPSS Score:0.35021
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=206265http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=206265

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=206265
    http://secunia.com/advisories/22253
    http://secunia.com/advisories/22279
    http://secunia.com/advisories/22292
    http://secunia.com/advisories/22497
    http://secunia.com/advisories/22762
    http://secunia.com/advisories/22945
    http://secunia.com/advisories/23064
    http://secunia.com/advisories/23370
    http://secunia.com/advisories/23384
    http://secunia.com/advisories/23395
    http://secunia.com/advisories/23474
    http://secunia.com/advisories/23752
    http://secunia.com/advisories/23788
    http://secunia.com/advisories/24288
    http://secunia.com/advisories/25691
    http://securitytracker.com/id?1017526
    http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
    http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm
    http://support.avaya.com/elmodocs2/security/ASA-2007-078.htm
    http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fe26109a9dfd9327fdbe630fc819e1b7450986b2
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:197
    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.redhat.com/support/errata/RHSA-2006-0689.html
    http://www.redhat.com/support/errata/RHSA-2006-0710.html
    http://www.redhat.com/support/errata/RHSA-2007-0012.html
    http://www.redhat.com/support/errata/RHSA-2007-0013.html
    http://www.securityfocus.com/archive/1/471457
    http://www.securityfocus.com/bid/20363
    http://www.ubuntu.com/usn/usn-395-1
    http://www.us.debian.org/security/2006/dsa-1233
    http://www.us.debian.org/security/2006/dsa-1237
    http://www.vupen.com/english/advisories/2006/3937
    http://www.vupen.com/english/advisories/2006/3999
    https://exchange.xforce.ibmcloud.com/vulnerabilities/29387
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10388
    http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=206265
    http://secunia.com/advisories/22253
    http://secunia.com/advisories/22279
    http://secunia.com/advisories/22292
    http://secunia.com/advisories/22497
    http://secunia.com/advisories/22762
    http://secunia.com/advisories/22945
    http://secunia.com/advisories/23064
    http://secunia.com/advisories/23370
    http://secunia.com/advisories/23384
    http://secunia.com/advisories/23395
    http://secunia.com/advisories/23474
    http://secunia.com/advisories/23752
    http://secunia.com/advisories/23788
    http://secunia.com/advisories/24288
    http://secunia.com/advisories/25691
    http://securitytracker.com/id?1017526
    http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
    http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm
    http://support.avaya.com/elmodocs2/security/ASA-2007-078.htm
    http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fe26109a9dfd9327fdbe630fc819e1b7450986b2
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:197
    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.redhat.com/support/errata/RHSA-2006-0689.html
    http://www.redhat.com/support/errata/RHSA-2006-0710.html
    http://www.redhat.com/support/errata/RHSA-2007-0012.html
    http://www.redhat.com/support/errata/RHSA-2007-0013.html
    http://www.securityfocus.com/archive/1/471457
    http://www.securityfocus.com/bid/20363
    http://www.ubuntu.com/usn/usn-395-1
    http://www.us.debian.org/security/2006/dsa-1233
    http://www.us.debian.org/security/2006/dsa-1237
    http://www.vupen.com/english/advisories/2006/3937
    http://www.vupen.com/english/advisories/2006/3999
    https://exchange.xforce.ibmcloud.com/vulnerabilities/29387
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10388

    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