CVEvulnerability
CVE-2019-12819
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-06-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (< 5.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html lists.opensuse.org
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html packetstormsecurity.com
- http://www.securityfocus.com/bid/108768 Third Party Advisory, VDB Entry
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190710-0002/ security.netapp.com
- https://usn.ubuntu.com/4094-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4118-1/ usn.ubuntu.com
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html lists.opensuse.org
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html packetstormsecurity.com
- http://www.securityfocus.com/bid/108768 Third Party Advisory, VDB Entry
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fb Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fb Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190710-0002/ security.netapp.com
- https://usn.ubuntu.com/4094-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4118-1/ usn.ubuntu.com