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    CVE-2019-12819

    An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. This will cause a denial of service.

    Published:Jun 13, 2019
    Last Modified:Nov 21, 2024
    EPS:Jun 14, 2019
    EPSS Score:0.00076
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    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

    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
    http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
    http://www.securityfocus.com/bid/108768
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb
    https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb
    https://security.netapp.com/advisory/ntap-20190710-0002/
    https://usn.ubuntu.com/4094-1/
    https://usn.ubuntu.com/4118-1/
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
    http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
    http://www.securityfocus.com/bid/108768
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb
    https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb
    https://security.netapp.com/advisory/ntap-20190710-0002/
    https://usn.ubuntu.com/4094-1/
    https://usn.ubuntu.com/4118-1/

    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