CVE-2019-16994
MEDIUMCVSS 4.7/10EPSS 0.45%
Last modified
CVE-2019-16994 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
Description
In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.0 |
| Opensuse | Leap | 15.1 |
| Redhat | Enterprise Linux | 7.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12b26e21ab359261bf75cfcb424fdc7daeb6dExploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6dPatch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191031-0005/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12b26e21ab359261bf75cfcb424fdc7daeb6dExploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6dPatch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191031-0005/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16994?
In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.
How severe is CVE-2019-16994?
CVE-2019-16994 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16994?
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.
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Are you affected by CVE-2019-16994?
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Scan your code nowSource: NVD / NIST