In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the ION_FLAG_SECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which does not belong to HLOS
Published Sep 19, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.27%
Description
In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the ION_FLAG_SECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which does not belong to HLOS.
Affected products
-
- Version All Android releases from CAF using the Linux 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Qualcomm, Inc. | Android for MSM, Firefox OS for MSM, QRD Android | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:N/I:H/A:N
AV:L/AC:L/Au:N/C:N/I:P/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 1, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.27% (0.00273) | 17.79th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.27% (0.00273) | 19.90th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00060) | 26.19th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00060) | 25.65th | v3 (v2023.03.01) |
| Sep 13, 2023 | 0.06% (0.00060) | 23.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00047) | 14.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00517) | 11.07th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00517) | 0.00th | v1 |
References (5)
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=3286b75d91519073d2f20bee85f22e294d5f1a18 x_refsource_CONFIRMPatchThird Party Advisory
- https://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=09874396dfbf546e5a628d810fcf5ea51a4d5785 x_refsource_CONFIRMPatchThird Party Advisory
- https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=53261410da625aaa2e070555aaa150a8533e5be4 x_refsource_CONFIRMPatchThird Party Advisory
- https://support.blackberry.com/kb/articleDetail?language=en_US&articleNumber=000049462 x_refsource_CONFIRMThird Party Advisory
- https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin x_refsource_CONFIRMPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=3286b75d91519073d2f20bee85f22e294d5f1a18 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=09874396dfbf546e5a628d810fcf5ea51a4d5785 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=53261410da625aaa2e070555aaa150a8533e5be4 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://support.blackberry.com/kb/articleDetail?language=en_US&articleNumber=000049462 | x_refsource_CONFIRMThird Party Advisory | |
| https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin | x_refsource_CONFIRMPatchThird Party Advisory |
Change history (0)
No recorded changes yet.