CVE-2019-19462
MEDIUMCVSS 5.5/10EPSS 0.46%
Last modified
CVE-2019-19462 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
Description
relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.4.1 |
| Netapp | Active Iq Unified Manager | >= 9.5 |
| Netapp | Hci Management Node | All versions |
| Netapp | Solidfire | All versions |
| Netapp | Hci Compute Node | All versions |
| Netapp | Hci Storage Node | All versions |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210129-0004/Third Party Advisory
- https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8Patch, Third Party Advisory
- https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531Patch, Third Party Advisory
- https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046Third Party Advisory
- https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7bThird Party Advisory
- https://usn.ubuntu.com/4414-1/Third Party Advisory
- https://usn.ubuntu.com/4425-1/Third Party Advisory
- https://usn.ubuntu.com/4439-1/Third Party Advisory
- https://usn.ubuntu.com/4440-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
- https://www.debian.org/security/2020/dsa-4699Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210129-0004/Third Party Advisory
- https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8Patch, Third Party Advisory
- https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531Patch, Third Party Advisory
- https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046Third Party Advisory
- https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7bThird Party Advisory
- https://usn.ubuntu.com/4414-1/Third Party Advisory
- https://usn.ubuntu.com/4425-1/Third Party Advisory
- https://usn.ubuntu.com/4439-1/Third Party Advisory
- https://usn.ubuntu.com/4440-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
- https://www.debian.org/security/2020/dsa-4699Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19462?
relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.
How severe is CVE-2019-19462?
CVE-2019-19462 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19462?
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.
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Are you affected by CVE-2019-19462?
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Scan your code nowSource: NVD / NIST