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cve[email protected]CVE-2017-2583
HistoryFeb 06, 2017 - 6:59 a.m.

CVE-2017-2583

2017-02-0606:59:00
web.nvd.nist.gov
150
4
cve-2017-2583
linux kernel
security
emulation
denial of service
privilege escalation
nvd

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

0.002

Percentile

55.4%

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

NVD
Node
linuxlinux_kernelRange4.9.4
VendorProductVersionCPE
linuxlinux_kernelcpe:/o:linux:linux_kernel::::

Social References

More

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

0.002

Percentile

55.4%