kernel: Double-free in ion_system_heap.c
Published Dec 20, 2018
7.8
HIGHCVSS 3.0
EPSS 0.17%
Description
In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, if there is an unlikely memory alloc failure for the secure pool in boot, it can result in wrong pointer access causing kernel panic.
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.
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
kernel-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 | kernel-rt | Not affected | n/a |
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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/Au:N/C:P/I:P/A:P
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.17% (0.00167) | 5.35th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.17% (0.00167) | 6.38th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00044) | 12.95th | v3 (v2023.03.01) |
| May 25, 2024 | 0.04% (0.00044) | 12.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.17% (0.00171) | 1.23th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.17% (0.00171) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-11987 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1661435 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-11987
- https://www.codeaurora.org/security-bulletin/2018/12/03/december-2018-code-aurora-security-bulletin x_refsource_CONFIRMPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-11987
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-11987 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1661435 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-11987 | ||
| https://www.codeaurora.org/security-bulletin/2018/12/03/december-2018-code-aurora-security-bulletin | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-11987 |
Change history (0)
No recorded changes yet.