CVE-2017-2583

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.

CVSS v3.0 8.4 HIGH
CVSS v2.0 4.6 MEDIUM

8.4^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1414735	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2017/01/19/2	Mailing List Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5	Release Notes Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3	Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/95673	Third Party Advisory VDB Entry
http://www.debian.org/security/2017/dsa-3791
https://access.redhat.com/errata/RHSA-2017:1616
https://access.redhat.com/errata/RHSA-2017:1615
https://usn.ubuntu.com/3754-1/

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2017-02-05 22:59

Updated : 2023-02-12 15:29

NVD link : CVE-2017-2583

Mitre link : CVE-2017-2583

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

linux

linux_kernel

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