CVE-2017-9150

MEDIUM

Linux kernel <4.11.1 - Info Disclosure

Title source: llm

Description

The do_check function in kernel/bpf/verifier.c in the Linux kernel before 4.11.1 does not make the allow_ptr_leaks value available for restricting the output of the print_bpf_insn function, which allows local users to obtain sensitive address information via crafted bpf system calls.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · cdoslinux

https://www.exploit-db.com/exploits/42048

View Code ZIP pw:eip

References (7)

[Vendor Advisory] https://source.android.com/security/bulletin/2017-09-01

[Issue Tracking, Patch, Third Party Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0e57697f162da4aa218b5feafe614fb666db07

[Release Notes, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1

[Issue Tracking, Patch, Third Party Advisory] https://bugs.chromium.org/p/project-zero/issues/detail?id=1251

[Issue Tracking, Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/0d0e57697f162da4aa218b5feafe614fb666db07

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/98635

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/42048/

Scores

CVSS v3 5.5

EPSS 0.0051

EPSS Percentile 66.0%

Attack Vector LOCAL

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

Details

CWE

CWE-200

Status published

Products (2)

linux/linux_kernel < 4.10.9

n/a/n/a

Published May 22, 2017

Tracked Since Feb 18, 2026