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    CVE-2020-16119

    Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.

    Published:Oct 13, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 14, 2021
    EPSS Score:0.0007
    CVSS Score:6.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
    https://launchpad.net/bugs/1883840
    https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
    https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
    https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
    https://security.netapp.com/advisory/ntap-20210304-0006/
    https://ubuntu.com/USN-4576-1
    https://ubuntu.com/USN-4577-1
    https://ubuntu.com/USN-4578-1
    https://ubuntu.com/USN-4579-1
    https://ubuntu.com/USN-4580-1
    https://www.debian.org/security/2021/dsa-4978
    https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
    https://launchpad.net/bugs/1883840
    https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
    https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
    https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
    https://security.netapp.com/advisory/ntap-20210304-0006/
    https://ubuntu.com/USN-4576-1
    https://ubuntu.com/USN-4577-1
    https://ubuntu.com/USN-4578-1
    https://ubuntu.com/USN-4579-1
    https://ubuntu.com/USN-4580-1
    https://www.debian.org/security/2021/dsa-4978

    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