vulnerability

Ubuntu: (Multiple Advisories) (CVE-2019-12819): Linux kernel vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Jun 14, 2019
Added
Aug 14, 2019
Modified
Aug 18, 2025

Description

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.

Solutions

ubuntu-upgrade-linux-image-4-15-0-1021-oracleubuntu-upgrade-linux-image-4-15-0-1040-gcpubuntu-upgrade-linux-image-4-15-0-1040-gkeubuntu-upgrade-linux-image-4-15-0-1042-kvmubuntu-upgrade-linux-image-4-15-0-1043-raspi2ubuntu-upgrade-linux-image-4-15-0-1047-awsubuntu-upgrade-linux-image-4-15-0-1050-oemubuntu-upgrade-linux-image-4-15-0-1055-azureubuntu-upgrade-linux-image-4-15-0-1060-snapdragonubuntu-upgrade-linux-image-4-15-0-58-genericubuntu-upgrade-linux-image-4-15-0-58-generic-lpaeubuntu-upgrade-linux-image-4-15-0-58-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04

References

    Title
    NEW

    Explore Exposure Command

    Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.