kernel: kernel pointer leak due to WARN_ON statement in video driver leads to local information disclosure
Published Sep 6, 2019
2.3
LOWCVSS 3.1
EPSS 0.18%
Description
In the Android kernel in the video driver there is a kernel pointer leak due to a WARN_ON statement. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Affected products
- Vendor n/a Product Android Defaultn/a
- Version Android kernelStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Android | n/a |
|
No data.
Red Hat Enterprise Linux 8
kernel-0:4.18.0-240.el8
Fixed · RHSA-2020:4431
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-240.rt7.54.el8
Fixed · RHSA-2020:4609
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 MRG 2
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-240.el8 | Fixed | RHSA-2020:4431 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-240.rt7.54.el8 | Fixed | RHSA-2020:4609 |
| 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 MRG 2 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue is marked as having Low impact because the information leak is very subtle and can be only used to break KASLR and not provide access to kernel memory content.
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
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 3, 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.18% (0.00176) | 6.50th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.18% (0.00176) | 7.41th | 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 | 1.00% (0.01005) | 38.10th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.00% (0.01005) | 34.40th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.68% (0.02683) | 62.15th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.07% (0.01073) | 28.73th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.24% (0.00241) | 0.00th | v1 |
References (6)
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-9455 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1819399 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2019-9455
- https://source.android.com/security/bulletin/pixel/2019-09-01 x_refsource_MISCVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-9455
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-9455 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1819399 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-9455 | ||
| https://source.android.com/security/bulletin/pixel/2019-09-01 | x_refsource_MISCVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-9455 |
Change history (0)
No recorded changes yet.