CVE-2019-12819
UnknownEPSS 0.62%
Last modified
CVE-2019-12819 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.62% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.0 |
References
- http://www.securityfocus.com/bid/108768Third Party Advisory, VDB Entry
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fbMailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fbPatch, Third Party Advisory
- http://www.securityfocus.com/bid/108768Third Party Advisory, VDB Entry
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ff7b060535e87c2ae14dd8548512abfdda528fbMailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fbPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12819?
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.
How severe is CVE-2019-12819?
Severity scoring for CVE-2019-12819 is pending analysis. The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12819?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-12813An issue was discovered in Digital Persona U.are.U 4500 Fing…
- CVE-2019-12814A Polymorphic Typing issue was discovered in FasterXML jacks…5.9
- CVE-2019-12815An arbitrary file copy vulnerability in mod_copy in ProFTPD …9.8
- CVE-2019-12816Modules.cpp in ZNC before 1.7.4-rc1 allows remote authentica…
- CVE-2019-12817arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel b…7
- CVE-2019-12818An issue was discovered in the Linux kernel before 4.20.15. …
- CVE-2019-1282An information disclosure exists in the Windows Common Log F…5.5
- CVE-2019-12820A vulnerability was found in the app 2.0 of the Shenzhen Jis…
- CVE-2019-12821A vulnerability was found in the app 2.0 of the Shenzhen Jis…
- CVE-2019-12822In http.c in Embedthis GoAhead before 4.1.1 and 5.x before 5…
- CVE-2019-12823Craft CMS before 3.1.31 does not properly filter XML feeds a…6.1
- CVE-2019-12825Unauthorized Access to the Container Registry of other group…4.3
Are you affected by CVE-2019-12819?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST