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    CVE-2007-4997

    Integer underflow in the ieee80211_rx function in net/ieee80211/ieee80211_rx.c in the Linux kernel 2.6.x before 2.6.23 allows remote attackers to cause a denial of service (crash) via a crafted SKB length value in a runt IEEE 802.11 frame when the IEEE80211_STYPE_QOS_DATA flag is set, aka an "off-by-two error."

    Published:Oct 2, 2007
    Last Modified:Apr 23, 2026
    EPS:Nov 6, 2007
    EPSS Score:0.05391
    CVSS Score:7.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-80925 — In the Linux kernel, the following vulnerability has been resolved: vlan: fix skb_under_panic and races when …
    CVE-2026-80924 (CVSS 7.5) — In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for …
    CVE-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
    CVE-2026-80919 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive ww_mutex acquir…
    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
    CVE-2026-80916 — In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race condit…

    References

    ftp://ftp.kernel.org/pub/linux/kernel/people/bunk/linux-2.6.16.y/testing/ChangeLog-2.6.16.57-rc1
    http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commitdiff%3Bh=04045f98e0457aba7d4e6736f37eed189c48a5f7
    http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
    http://secunia.com/advisories/27555
    http://secunia.com/advisories/27614
    http://secunia.com/advisories/27824
    http://secunia.com/advisories/27912
    http://secunia.com/advisories/28033
    http://secunia.com/advisories/28162
    http://secunia.com/advisories/28170
    http://secunia.com/advisories/28706
    http://secunia.com/advisories/28806
    http://secunia.com/advisories/28971
    http://www.debian.org/security/2007/dsa-1428
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:226
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:232
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:008
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:105
    http://www.novell.com/linux/security/advisories/2007_59_kernel.html
    http://www.redhat.com/support/errata/RHSA-2007-0993.html
    http://www.redhat.com/support/errata/RHSA-2007-1104.html
    http://www.securityfocus.com/bid/26337
    http://www.ubuntu.com/usn/usn-558-1
    http://www.ubuntu.com/usn/usn-574-1
    http://www.ubuntu.com/usn/usn-578-1
    http://www.vupen.com/english/advisories/2007/3718
    https://exchange.xforce.ibmcloud.com/vulnerabilities/38247
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10596
    ftp://ftp.kernel.org/pub/linux/kernel/people/bunk/linux-2.6.16.y/testing/ChangeLog-2.6.16.57-rc1
    http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commitdiff%3Bh=04045f98e0457aba7d4e6736f37eed189c48a5f7
    http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
    http://secunia.com/advisories/27555
    http://secunia.com/advisories/27614
    http://secunia.com/advisories/27824
    http://secunia.com/advisories/27912
    http://secunia.com/advisories/28033
    http://secunia.com/advisories/28162
    http://secunia.com/advisories/28170
    http://secunia.com/advisories/28706
    http://secunia.com/advisories/28806
    http://secunia.com/advisories/28971
    http://www.debian.org/security/2007/dsa-1428
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:226
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:232
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:008
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:105
    http://www.novell.com/linux/security/advisories/2007_59_kernel.html
    http://www.redhat.com/support/errata/RHSA-2007-0993.html
    http://www.redhat.com/support/errata/RHSA-2007-1104.html
    http://www.securityfocus.com/bid/26337
    http://www.ubuntu.com/usn/usn-558-1
    http://www.ubuntu.com/usn/usn-574-1
    http://www.ubuntu.com/usn/usn-578-1
    http://www.vupen.com/english/advisories/2007/3718
    https://exchange.xforce.ibmcloud.com/vulnerabilities/38247
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10596

    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