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    CVE-2019-16746

    An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.

    Published:Sep 11, 2019
    Last Modified:Nov 21, 2024
    EPS:Sep 24, 2019
    EPSS Score:0.02332
    CVSS Score:9.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    https://github.com/uthrasri/CVE-2019-16746

    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://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
    http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/
    https://marc.info/?l=linux-wireless&m=156901391225058&w=2
    https://seclists.org/bugtraq/2019/Nov/11
    https://security.netapp.com/advisory/ntap-20191031-0005/
    https://usn.ubuntu.com/4183-1/
    https://usn.ubuntu.com/4186-1/
    https://usn.ubuntu.com/4209-1/
    https://usn.ubuntu.com/4210-1/
    https://www.oracle.com/security-alerts/cpuApr2021.html
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
    http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/
    https://marc.info/?l=linux-wireless&m=156901391225058&w=2
    https://seclists.org/bugtraq/2019/Nov/11
    https://security.netapp.com/advisory/ntap-20191031-0005/
    https://usn.ubuntu.com/4183-1/
    https://usn.ubuntu.com/4186-1/
    https://usn.ubuntu.com/4209-1/
    https://usn.ubuntu.com/4210-1/
    https://www.oracle.com/security-alerts/cpuApr2021.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