National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-9150 Detail

Current 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.

Source:  MITRE
Description Last Modified:  05/22/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0e57697f162da4aa218b5feafe614fb666db07 Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1 Release Notes Vendor Advisory
http://www.securityfocus.com/bid/98635
https://bugs.chromium.org/p/project-zero/issues/detail?id=1251 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/0d0e57697f162da4aa218b5feafe614fb666db07 Issue Tracking Patch Third Party Advisory
https://source.android.com/security/bulletin/2017-09-01
https://www.exploit-db.com/exploits/42048/

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-9150
NVD Published Date:
05/22/2017
NVD Last Modified:
09/08/2017