CVE-2017-17863

kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.spinics.net/lists/stable/msg206985.html	Issue Tracking Patch
https://www.debian.org/security/2017/dsa-4073	Third Party Advisory
https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patch?h=stretch-security	Patch
http://www.securitytracker.com/id/1040058	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102321	Third Party Advisory VDB Entry
https://usn.ubuntu.com/usn/usn-3523-2/
https://usn.ubuntu.com/3523-3/

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Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2017-12-27 09:08

Updated : 2018-03-15 18:29

NVD link : CVE-2017-17863

Mitre link : CVE-2017-17863

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

debian

debian_linux

linux

linux_kernel

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