kernel: Missing cleaning of allocated buffers
Published Oct 10, 2016
5.5
MEDIUMCVSS 3.0
EPSS 1.46%
Description
arch/arm64/mm/dma-mapping.c in the Linux kernel before 4.0.3, as used in the ION subsystem in Android and other products, does not initialize certain data structures, which allows local users to obtain sensitive information from kernel memory by triggering a dma_mmap call.
Affected products
No data.
- ≤ 4.0.2
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-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
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-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue doesn't affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5,6,7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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:N/UI:R/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:N/AC:M/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.46% (0.01457) | 72.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.46% (0.01457) | 70.01th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00229) | 43.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00082) | 36.88th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.08% (0.00082) | 35.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00082) | 33.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (10)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e274a623187c24f7cfc0e3d35f25d087fcc5 x_refsource_CONFIRMIssue TrackingPatch
- http://source.android.com/security/bulletin/2016-10-01.html x_refsource_CONFIRMVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3 x_refsource_CONFIRMRelease Notes
- http://www.securityfocus.com/bid/93318 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-8950 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1383382 Issue Tracking
- https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc5 x_refsource_CONFIRMIssue TrackingPatch
- https://nvd.nist.gov/vuln/detail/CVE-2015-8950
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d90d3db85a7471f99764f7bbf8 x_refsource_CONFIRMIssue TrackingPatch
- https://www.cve.org/CVERecord?id=CVE-2015-8950
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e274a623187c24f7cfc0e3d35f25d087fcc5 | x_refsource_CONFIRMIssue TrackingPatch | |
| http://source.android.com/security/bulletin/2016-10-01.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3 | x_refsource_CONFIRMRelease Notes | |
| http://www.securityfocus.com/bid/93318 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2015-8950 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1383382 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc5 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8950 | ||
| https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d90d3db85a7471f99764f7bbf8 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://www.cve.org/CVERecord?id=CVE-2015-8950 |
Change history (0)
No recorded changes yet.