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.
References (10)
Core 10
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb
Mailing List, Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/108768
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190710-0002/
Exploit, Third Party Advisory x_refsource_misc
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4118-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4094-1/
Scores
CVSS v3
5.5
EPSS
0.0008
EPSS Percentile
22.3%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-416
Status
published
Products (1)
linux/linux_kernel
< 5.0
Published
Jun 14, 2019
Tracked Since
Feb 18, 2026