What’s Vulnerable › Vulnerabilities

CVE-2018-9568

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-06 · updated 2026-06-17
• Weakness: CWE-704

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

• Canonical Ubuntu Linux: 12.04, 14.04
• Android: all versions
• Linux kernel: before 3.10.108; from 3.11 before 3.16.58; from 3.17 before 3.18.77; from 3.19 before 4.1.46; from 4.2 before 4.4.94; from 4.5 before 4.9.55 — fixed in 3.10.108, 3.16.58, 3.18.77, 4.1.46, 4.13.6, 4.4.94
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Server Aus: 7.6
• RedHat Enterprise Linux Server Eus: 7.6
• RedHat Enterprise Linux Server Tus: 7.6
• RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: Linux kernel 3.10.108, 3.16.58, 3.18.77, 4.1.46. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2019:0512
• https://access.redhat.com/errata/RHSA-2019:0514
• https://access.redhat.com/errata/RHSA-2019:2696
• https://access.redhat.com/errata/RHSA-2019:2730
• https://access.redhat.com/errata/RHSA-2019:2736
• https://access.redhat.com/errata/RHSA-2019:3967
• https://access.redhat.com/errata/RHSA-2019:4056
• https://access.redhat.com/errata/RHSA-2019:4159
• https://access.redhat.com/errata/RHSA-2019:4164
• https://access.redhat.com/errata/RHSA-2019:4255
• https://source.android.com/security/bulletin/2018-12-01
• https://usn.ubuntu.com/3880-1/

Get alerted when CVE-2018-9568 or the next vulnerability affects your stack