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.
Advisories
Source ID Title
EUVD EUVD EUVD-2019-4400 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.
Ubuntu USN Ubuntu USN USN-4094-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4118-1 Linux kernel (AWS) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T23:32:55.227Z

Reserved: 2019-06-13T00:00:00

Link: CVE-2019-12819

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-06-14T02:29:00.330

Modified: 2024-11-21T04:23:39.030

Link: CVE-2019-12819

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-06-13T00:00:00Z

Links: CVE-2019-12819 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses