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MitreCVE-2016-6243

HistoryMar 07, 2017 - 4:59 p.m.

CVE-2016-6243

2017-03-0716:59:00

CWE-20

mitre

web.nvd.nist.gov

cve-2016-6243

openbsd

kern_synch.c

denial of service

kernel panic

nvd

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.3

Confidence

High

EPSS

Percentile

5.1%

JSON

thrsleep in kern/kern_synch.c in OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (kernel panic) via a crafted value in the tsp parameter of the __thrsleep system call.

Affected configurations

Nvd

Node

openbsdopenbsdMatch5.8

openbsdopenbsdMatch5.9

VendorProductVersionCPE
openbsdopenbsd5.8cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*
openbsdopenbsd5.9cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
openbsd	openbsd	5.8	cpe:2.3:o:openbsd:openbsd:5.8:::::::*
openbsd	openbsd	5.9	cpe:2.3:o:openbsd:openbsd:5.9:::::::*

References

www.openbsd.org/errata58.html

www.openbsd.org/errata59.html

www.openwall.com/lists/oss-security/2016/07/14/5

www.openwall.com/lists/oss-security/2016/07/17/7

www.securityfocus.com/bid/91805

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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