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    CVE-2007-1730

    Integer signedness error in the DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later allows local users to read kernel memory or cause a denial of service (oops) via a negative optlen value.

    Published:Mar 28, 2007
    Last Modified:Apr 23, 2026
    EPS:Mar 28, 2007
    EPSS Score:0.00378
    CVSS Score:6.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    https://www.exploit-db.com/exploits/3587https://www.exploit-db.com/exploits/3595

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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…
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    References

    http://marc.info/?l=dccp&m=117509584316267&w=2
    http://secunia.com/advisories/25392
    http://securityreason.com/securityalert/2482
    http://www.securityfocus.com/archive/1/463934/100/0/threaded
    http://www.securityfocus.com/archive/1/464144/100/0/threaded
    http://www.securityfocus.com/bid/23162
    http://www.securitytracker.com/id?1017820
    http://www.ubuntu.com/usn/usn-464-1
    http://www.vupen.com/english/advisories/2007/1143
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33274
    http://marc.info/?l=dccp&m=117509584316267&w=2
    http://secunia.com/advisories/25392
    http://securityreason.com/securityalert/2482
    http://www.securityfocus.com/archive/1/463934/100/0/threaded
    http://www.securityfocus.com/archive/1/464144/100/0/threaded
    http://www.securityfocus.com/bid/23162
    http://www.securitytracker.com/id?1017820
    http://www.ubuntu.com/usn/usn-464-1
    http://www.vupen.com/english/advisories/2007/1143
    https://exchange.xforce.ibmcloud.com/vulnerabilities/33274

    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