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Status published
Medium
CVE-2019-12819
An issue was discovered in the Linux kernel before 5.0....
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb
- http://www.securityfocus.com/bid/108768
- 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
- https://security.netapp.com/advisory/ntap-20190710-0002/
- https://usn.ubuntu.com/4094-1/
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
- https://usn.ubuntu.com/4118-1/
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Affected Vendor
linux
View all reports →Affected Software
linux kernel
Vulnerable Versions:
0
Timeline
Official Publish:
June 14th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.