Bug 1707400 (CVE-2018-20509) - CVE-2018-20509 kernel: print_binder_ref_olocked function in drivers/android/binder.c leads to information disclosure
Summary: CVE-2018-20509 kernel: print_binder_ref_olocked function in drivers/android/b...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-20509
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1707402
TreeView+ depends on / blocked
 
Reported: 2019-05-07 12:49 UTC by msiddiqu
Modified: 2021-02-16 21:57 UTC (History)
22 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2019-05-28 10:54:42 UTC


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Description msiddiqu 2019-05-07 12:49:33 UTC
The print_binder_ref_olocked function in drivers/android/binder.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading " ref *desc *node" lines in a debugfs file.

References:

https://github.com/Yellow-Pay/CVE/blob/master/CVE-2018-20509.md 
https://www.mail-archive.com/debian-security-tracker@lists.debian.org/msg03902.html

Comment 2 Petr Matousek 2019-05-28 10:54:46 UTC
Statement:

Not vulnerable.

The issue is in Android only functionality.


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