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    CVE-2015-7566

    The clie_5_attach function in drivers/usb/serial/visor.c in the Linux kernel through 4.4.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a bulk-out endpoint.

    Published:Jan 11, 2016
    Last Modified:Apr 12, 2025
    EPS:Feb 8, 2016
    EPSS Score:0.00453
    CVSS Score:4.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Novell
    Product
    Suse Linux Enterprise Debuginfo
    Vendor
    Novell
    Product
    Suse Linux Enterprise Real Time Extension
    Vendor
    Novell
    Product
    Suse Linux Enterprise Server
    Vendor
    Novell
    Product
    Suse Linux Enterprise Software Development Kit

    Exploits

    https://www.exploit-db.com/exploits/39540

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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…
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    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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb3232138e37129e88240a98a1d2aba2187ff57c
    http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
    http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
    http://www.debian.org/security/2016/dsa-3448
    http://www.debian.org/security/2016/dsa-3503
    http://www.securityfocus.com/archive/1/537733/100/0/threaded
    http://www.securityfocus.com/bid/82975
    http://www.ubuntu.com/usn/USN-2929-1
    http://www.ubuntu.com/usn/USN-2929-2
    http://www.ubuntu.com/usn/USN-2930-1
    http://www.ubuntu.com/usn/USN-2930-2
    http://www.ubuntu.com/usn/USN-2930-3
    http://www.ubuntu.com/usn/USN-2932-1
    http://www.ubuntu.com/usn/USN-2948-1
    http://www.ubuntu.com/usn/USN-2948-2
    http://www.ubuntu.com/usn/USN-2967-1
    http://www.ubuntu.com/usn/USN-2967-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1283371
    https://bugzilla.redhat.com/show_bug.cgi?id=1296466
    https://github.com/torvalds/linux/commit/cb3232138e37129e88240a98a1d2aba2187ff57c
    https://security-tracker.debian.org/tracker/CVE-2015-7566
    https://www.exploit-db.com/exploits/39540/
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb3232138e37129e88240a98a1d2aba2187ff57c
    http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
    http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
    http://www.debian.org/security/2016/dsa-3448
    http://www.debian.org/security/2016/dsa-3503
    http://www.securityfocus.com/archive/1/537733/100/0/threaded
    http://www.securityfocus.com/bid/82975
    http://www.ubuntu.com/usn/USN-2929-1
    http://www.ubuntu.com/usn/USN-2929-2
    http://www.ubuntu.com/usn/USN-2930-1
    http://www.ubuntu.com/usn/USN-2930-2
    http://www.ubuntu.com/usn/USN-2930-3
    http://www.ubuntu.com/usn/USN-2932-1
    http://www.ubuntu.com/usn/USN-2948-1
    http://www.ubuntu.com/usn/USN-2948-2
    http://www.ubuntu.com/usn/USN-2967-1
    http://www.ubuntu.com/usn/USN-2967-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1283371
    https://bugzilla.redhat.com/show_bug.cgi?id=1296466
    https://github.com/torvalds/linux/commit/cb3232138e37129e88240a98a1d2aba2187ff57c
    https://security-tracker.debian.org/tracker/CVE-2015-7566
    https://www.exploit-db.com/exploits/39540/

    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