Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.4.1 |
| Netapp | Active Iq Unified Manager | >= 9.5 |
| Netapp | Hci Management Node | - |
| Netapp | Solidfire | - |
| Netapp | Hci Compute Node | - |
| Netapp | Hci Storage Node | - |
| Canonical | Ubuntu Linux | 14.04 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing ListThird Party Advisory
- https://lore.kernel.org/lkml/20191129013745.7168-1-dja%40axtens.net/
- https://security.netapp.com/advisory/ntap-20210129-0004/Third Party Advisory
- https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243beccPatchThird Party Advisory
- https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50PatchThird 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
FAQ
What is CVE-2019-19462?
CVE-2019-19462 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19462?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Active Iq Unified Manager, Netapp Hci Management Node, Netapp Solidfire, Netapp Hci Compute Node.