CVE-2017-17863

HIGH

Linux Kernel 4.9.0-4.9.71 - Denial of Service via BPF Stack Pointer Calculation

Title source: llm
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040058
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3523-3/
Issue Tracking, Patch x_refsource_misc
https://www.spinics.net/lists/stable/msg206985.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102321
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-4073
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/usn/usn-3523-2/

Scores

CVSS v3 7.8
EPSS 0.0041
EPSS Percentile 32.7%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (2)
debian/debian_linux 9.0
linux/linux_kernel 4.9.0 - 4.9.71
Published Dec 27, 2017
Tracked Since Feb 18, 2026