Vulnerability Description
The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.19.2 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/105987Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://lkml.org/lkml/2018/11/20/580PatchThird Party Advisory
- https://usn.ubuntu.com/3871-1/Third Party Advisory
- https://usn.ubuntu.com/3871-3/Third Party Advisory
- https://usn.ubuntu.com/3871-4/Third Party Advisory
- https://usn.ubuntu.com/3871-5/Third Party Advisory
- https://usn.ubuntu.com/3872-1/Third Party Advisory
- https://usn.ubuntu.com/3878-1/Third Party Advisory
- https://usn.ubuntu.com/3878-2/Third Party Advisory
- https://usn.ubuntu.com/3879-1/Third Party Advisory
- https://usn.ubuntu.com/3879-2/Third Party Advisory
- http://www.securityfocus.com/bid/105987Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://lkml.org/lkml/2018/11/20/580PatchThird Party Advisory
FAQ
What is CVE-2018-19407?
CVE-2018-19407 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that ...
How severe is CVE-2018-19407?
CVE-2018-19407 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-2018-19407?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.