CVEvulnerability

CVE-2017-2583

8.4 HIGH Published 2017-02-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-02-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
8.4 HIGH — CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P

Description

The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.

Affected configurations

• linux linux kernel (<= 4.9.4)

References