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    CVE-2020-25669

    A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

    Published:Nov 5, 2020
    Last Modified:Nov 21, 2024
    EPS:May 26, 2021
    EPSS Score:0.00084
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    H300e
    Vendor
    Netapp
    Product
    H300e Firmware
    Vendor
    Netapp
    Product
    H300s
    Vendor
    Netapp
    Product
    H300s Firmware
    Vendor
    Netapp
    Product
    H410c
    Vendor
    Netapp
    Product
    H410c Firmware
    Vendor
    Netapp
    Product
    H410s
    Vendor
    Netapp
    Product
    H410s Firmware
    Vendor
    Netapp
    Product
    H500e
    Vendor
    Netapp
    Product
    H500e Firmware
    Vendor
    Netapp
    Product
    H500s
    Vendor
    Netapp
    Product
    H500s Firmware
    Vendor
    Netapp
    Product
    H700e
    Vendor
    Netapp
    Product
    H700e Firmware
    Vendor
    Netapp
    Product
    H700s
    Vendor
    Netapp
    Product
    H700s Firmware
    Vendor
    Netapp
    Product
    Solidfire \& Hci Management Node
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller

    Exploits

    http://www.openwall.com/lists/oss-security/2020/11/05/2http://www.openwall.com/lists/oss-security/2020/11/20/5http://www.openwall.com/lists/oss-security/2020/11/05/2http://www.openwall.com/lists/oss-security/2020/11/20/5

    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://www.openwall.com/lists/oss-security/2020/11/05/2
    http://www.openwall.com/lists/oss-security/2020/11/20/5
    https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e
    https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
    https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
    https://security.netapp.com/advisory/ntap-20210702-0006/
    https://www.openwall.com/lists/oss-security/2020/11/05/2%2C
    https://www.openwall.com/lists/oss-security/2020/11/20/5%2C
    http://www.openwall.com/lists/oss-security/2020/11/05/2
    http://www.openwall.com/lists/oss-security/2020/11/20/5
    https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e
    https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
    https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
    https://security.netapp.com/advisory/ntap-20210702-0006/
    https://www.openwall.com/lists/oss-security/2020/11/05/2%2C
    https://www.openwall.com/lists/oss-security/2020/11/20/5%2C

    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