kernel: Memory corruption due to incorrect socket cloning
Published Dec 6, 2018
7.8
HIGHCVSS 3.1
EPSS 0.76%
Description
In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-113509306. References: Upstream kernel.
Affected products
-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Google Inc. | Android | n/a |
|
Configuration 2
- 12.04
- 14.04
Configuration 3
- 7.0
- 7.0
- 7.6
- 7.6
- 7.6
- 7.0
Configuration 4
- < 3.10.108
- ≥ 3.11 · < 3.16.58
- ≥ 3.17 · < 3.18.77
- ≥ 3.19 · < 4.1.46
- ≥ 4.2 · < 4.4.94
- ≥ 4.5 · < 4.9.55
- ≥ 4.10 · < 4.13.6
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-754.22.1.el6
Fixed · RHSA-2019:2736
Red Hat Enterprise Linux 6.5 Advanced Update Support
kernel-0:2.6.32-431.97.1.el6
Fixed · RHSA-2019:4056
Red Hat Enterprise Linux 6.6 Advanced Update Support
kernel-0:2.6.32-504.82.1.el6
Fixed · RHSA-2019:4255
Red Hat Enterprise Linux 7
kernel-0:3.10.0-957.10.1.el7
Fixed · RHSA-2019:0512
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-957.10.1.rt56.921.el7
Fixed · RHSA-2019:0514
Red Hat Enterprise Linux 7.2 Advanced Update Support
kernel-0:3.10.0-327.83.1.el7
Fixed · RHSA-2019:4164
Red Hat Enterprise Linux 7.2 Telco Extended Update Support
kernel-0:3.10.0-327.83.1.el7
Fixed · RHSA-2019:4164
Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions
kernel-0:3.10.0-327.83.1.el7
Fixed · RHSA-2019:4164
Red Hat Enterprise Linux 7.3 Advanced Update Support
kernel-0:3.10.0-514.71.1.el7
Fixed · RHSA-2019:4159
Red Hat Enterprise Linux 7.3 Telco Extended Update Support
kernel-0:3.10.0-514.71.1.el7
Fixed · RHSA-2019:4159
Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions
kernel-0:3.10.0-514.71.1.el7
Fixed · RHSA-2019:4159
Red Hat Enterprise Linux 7.4 Extended Update Support
kernel-0:3.10.0-693.58.1.el7
Fixed · RHSA-2019:2696
Red Hat Enterprise Linux 7.5 Extended Update Support
kernel-0:3.10.0-862.44.2.el7
Fixed · RHSA-2019:3967
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-693.58.1.rt56.652.el6rt
Fixed · RHSA-2019:2730
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-754.22.1.el6 | Fixed | RHSA-2019:2736 |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | kernel-0:2.6.32-431.97.1.el6 | Fixed | RHSA-2019:4056 |
| Red Hat Enterprise Linux 6.6 Advanced Update Support | kernel-0:2.6.32-504.82.1.el6 | Fixed | RHSA-2019:4255 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-957.10.1.el7 | Fixed | RHSA-2019:0512 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-957.10.1.rt56.921.el7 | Fixed | RHSA-2019:0514 |
| Red Hat Enterprise Linux 7.2 Advanced Update Support | kernel-0:3.10.0-327.83.1.el7 | Fixed | RHSA-2019:4164 |
| Red Hat Enterprise Linux 7.2 Telco Extended Update Support | kernel-0:3.10.0-327.83.1.el7 | Fixed | RHSA-2019:4164 |
| Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions | kernel-0:3.10.0-327.83.1.el7 | Fixed | RHSA-2019:4164 |
| Red Hat Enterprise Linux 7.3 Advanced Update Support | kernel-0:3.10.0-514.71.1.el7 | Fixed | RHSA-2019:4159 |
| Red Hat Enterprise Linux 7.3 Telco Extended Update Support | kernel-0:3.10.0-514.71.1.el7 | Fixed | RHSA-2019:4159 |
| Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions | kernel-0:3.10.0-514.71.1.el7 | Fixed | RHSA-2019:4159 |
| Red Hat Enterprise Linux 7.4 Extended Update Support | kernel-0:3.10.0-693.58.1.el7 | Fixed | RHSA-2019:2696 |
| Red Hat Enterprise Linux 7.5 Extended Update Support | kernel-0:3.10.0-862.44.2.el7 | Fixed | RHSA-2019:3967 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-693.58.1.rt56.652.el6rt | Fixed | RHSA-2019:2730 |
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | 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 |
No package ranges for this CVE.
Remediation
Red Hat mitigation
The currently known attack vector uses IPv6 for exploitation. If IPv6 is not needed on the host, disabling it mitigates this attack vector. Please see https://access.redhat.com/solutions/8709 for instructions on how to disable IPv6 in Red Hat Enterprise Linux.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
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 | 0.76% (0.00755) | 53.42th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.76% (0.00755) | 53.59th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00044) | 10.41th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.86% (0.01864) | 77.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.86% (0.01864) | 54.47th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.92% (0.00922) | 25.93th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.92% (0.00922) | 0.00th | v1 |
References (17)
- https://access.redhat.com/errata/RHSA-2019:0512 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0514 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2696 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2730 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2736 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3967 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4056 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4159 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4164 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4255 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-9568 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1655904 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-9568
- https://source.android.com/security/bulletin/2018-12-01 x_refsource_CONFIRMPatchVendor Advisory
- https://usn.ubuntu.com/3880-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3880-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-9568
Change history (0)
No recorded changes yet.