kernel: print_binder_ref_olocked function in drivers/android/binder.c leads to information disclosure
Published Apr 30, 2019
5.5
MEDIUMCVSS 3.0
EPSS 0.37%
Description
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.
Affected products
No data.
- 4.14.90
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
hernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | hernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. The issue is in Android only functionality.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.37% (0.00369) | 28.40th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.37% (0.00369) | 30.68th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.44% (0.00444) | 10.84th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.44% (0.00444) | 0.00th | v1 |
References (7)
- https://access.redhat.com/security/cve/CVE-2018-20509 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1707400 Issue Tracking
- https://github.com/Yellow-Pay/CVE/blob/master/CVE-2018-20509.md x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-20509
- https://security.netapp.com/advisory/ntap-20190517-0002/ x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2018-20509
- https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03902.html mailing-listx_refsource_MLIST
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-20509 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1707400 | Issue Tracking | |
| https://github.com/Yellow-Pay/CVE/blob/master/CVE-2018-20509.md | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-20509 | ||
| https://security.netapp.com/advisory/ntap-20190517-0002/ | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2018-20509 | ||
| https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03902.html | mailing-listx_refsource_MLIST |
Change history (0)
No recorded changes yet.