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    CVE-2020-8648

    There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.

    Published:Jan 30, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 6, 2020
    EPSS Score:0.00036
    CVSS Score:7.1

    Affected Products

    Vendor
    Broadcom
    Product
    Brocade Fabric Operating System Firmware
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    Hci Baseboard Management Controller
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Extras Rt
    Vendor
    Redhat
    Product
    Rhel Tus

    Exploits

    https://bugzilla.kernel.org/show_bug.cgi?id=206361https://bugzilla.kernel.org/show_bug.cgi?id=206361

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    https://bugzilla.kernel.org/show_bug.cgi?id=206361
    https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
    https://security.netapp.com/advisory/ntap-20200924-0004/
    https://usn.ubuntu.com/4342-1/
    https://usn.ubuntu.com/4344-1/
    https://usn.ubuntu.com/4345-1/
    https://usn.ubuntu.com/4346-1/
    https://www.debian.org/security/2020/dsa-4698
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
    https://bugzilla.kernel.org/show_bug.cgi?id=206361
    https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
    https://security.netapp.com/advisory/ntap-20200924-0004/
    https://usn.ubuntu.com/4342-1/
    https://usn.ubuntu.com/4344-1/
    https://usn.ubuntu.com/4345-1/
    https://usn.ubuntu.com/4346-1/
    https://www.debian.org/security/2020/dsa-4698

    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