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    CVE-2020-14356

    A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use this flaw to crash the system or escalate their privileges on the system.

    Published:May 31, 2020
    Last Modified:Nov 21, 2024
    EPS:Aug 19, 2020
    EPSS Score:0.01096
    CVSS Score:7.8

    Affected Products

    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 Management Node
    Vendor
    Netapp
    Product
    Solidfire
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller Firmware
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugzilla.kernel.org/show_bug.cgi?id=208003https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/https://bugzilla.kernel.org/show_bug.cgi?id=208003https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/https://github.com/ShaikUsaf/linux-4.19.72_CVE-2020-14356

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    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…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
    https://bugzilla.kernel.org/show_bug.cgi?id=208003
    https://bugzilla.redhat.com/show_bug.cgi?id=1868453
    https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
    https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/
    https://security.netapp.com/advisory/ntap-20200904-0002/
    https://usn.ubuntu.com/4483-1/
    https://usn.ubuntu.com/4484-1/
    https://usn.ubuntu.com/4526-1/
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
    https://bugzilla.kernel.org/show_bug.cgi?id=208003
    https://bugzilla.redhat.com/show_bug.cgi?id=1868453
    https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
    https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
    https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/
    https://security.netapp.com/advisory/ntap-20200904-0002/
    https://usn.ubuntu.com/4483-1/
    https://usn.ubuntu.com/4484-1/
    https://usn.ubuntu.com/4526-1/

    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