PT-2018-19004 · Google · Android Kernel

Johannes Segitz · Published 2018-07-14 · Updated 2019-08-19 · CVE-2018-9422

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to a use-after-free in the get futex key function of futex.c due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not required for exploitation.

Recommendations For Android kernel, apply the fix for the use-after-free in the get futex key function to prevent local escalation of privilege.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2018-9422

DLA-1422-1

DLA-1422-2

Affected Products

Android Kernel

References · 14

• https://source.android.com/security/bulletin/2018-07-01 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-9422 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1422-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-9422 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-9422 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-9422 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1422-2 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-9422 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-9422 · Security Note
• https://ubuntu.com/security/CVE-2018-9422 · Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html · Note
• https://bugzilla.suse.com/show_bug.cgi?id=1102001&_ga=2.244341506.661832603.1561012452-1774095668.1553066022 · Note
• https://git.kernel.org/linus/65d8fc777f6dcfee12785c057a6b57f679641c90 · Note
• https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html · Note