CVEvulnerability
CVE-2018-19407
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-11-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (<= 4.19.2)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://www.securityfocus.com/bid/105987 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html lists.debian.org
- https://lkml.org/lkml/2018/11/20/580 Patch, Third 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/105987 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html lists.debian.org
- https://lkml.org/lkml/2018/11/20/580 Patch, Third 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