Denial of service in Linux kernel - CVE-2017-2583
Published: January 20, 2017 / Updated: June 30, 2017
Vulnerability identifier: #VU5183
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-2583
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to cause DoS condition.
The weakness exists due to improper emulation of "MOV SS, NULL selector" instruction by the load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel. A quest OS user can use a specially crafted and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to improper emulation of "MOV SS, NULL selector" instruction by the load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel. A quest OS user can use a specially crafted and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
Affected software
Linux kernel
Arch Linux
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
Fedora
android-emulator-hypervisor-driver-for-amd-processors
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel
Arch Linux
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
Fedora
android-emulator-hypervisor-driver-for-amd-processors
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel
How to mitigate CVE-2017-2583
Update to version 4.9.5.
android-emulator-hypervisor-driver-for-amd-processors - update to 2.2
kernel (Red Hat package) - update to 3.10.0-514.26.1.el7
kernel-rt (Red Hat package) - update to 3.10.0-514.26.1.rt56.442.el7
kernel - addressed in versions 4.9.5-100.fc24, 4.9.5-200.fc25
kernel (Red Hat package) - update to 3.10.0-514.26.1.el7
kernel-rt (Red Hat package) - update to 3.10.0-514.26.1.rt56.442.el7
kernel - addressed in versions 4.9.5-100.fc24, 4.9.5-200.fc25