Skip to content
OpenAdvisories
Unscored CVE-2020-27067 EUVD-2020-19591GHSA-ghgp-g2w8-92pm

In the l2tp subsystem, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with Sy…

Published Dec 15, 2020 · Updated Aug 4, 2024 · Assigned by google_android

Package: linux Package: linux Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.3 Package: linux-azure Package: linux-azure-5.3 Package: linux-azure-edge Package: linux-azure-fde Package: linux-fips Package: linux-gcp Package: linux-gcp-5.3 Package: linux-gcp-edge Package: linux-gke Package: linux-hwe Package: linux-hwe-edge Package: linux-intel-iot-realtime Package: linux-kvm Package: linux-lts-xenial Package: linux-oem Package: linux-oracle-5.0 Package: linux-oracle-5.3 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-snapdragon Package: linux-vmware Platform: Android Ecosystem: Debian Ecosystem: Ubuntu

Description

In the l2tp subsystem, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-152409173

Affected products

VendorProductAffectedFixed
— Android Android kernel —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 linux 4.15.4-1 —
Debian 13 linux 4.15.4-1 —
Debian 12 linux 4.15.4-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-riscv +2 No fix yet —
Ubuntu 20.04 LTS linux-gke +3 No fix yet —
Ubuntu 18.04 LTS linux-gcp +11 No fix yet —
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1053.57 —
Ubuntu 16.04 LTS linux 4.4.0-186.216 —
Ubuntu 16.04 LTS linux-aws 4.4.0-1111.123 —
Ubuntu 16.04 LTS linux-azure 4.15.0-1013.13~16.04.2 —
Ubuntu 16.04 LTS linux-gcp 4.15.0-1014.14~16.04.1 —
Ubuntu 16.04 LTS linux-hwe 4.15.0-24.26~16.04.1 —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu 16.04 LTS linux-kvm 4.4.0-1077.84 —
Ubuntu 16.04 LTS linux-raspi2 4.4.0-1136.145 —
Ubuntu 16.04 LTS linux-snapdragon 4.4.0-1140.148 —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1043.48 —
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1075.79 —
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-186.216~14.04.1 —

Advisories 1

References