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Unscored CVE-2021-0606 EUVD-2021-3225GHSA-9jj6-v3c8-c5q6

In drm_syncobj_handle_to_fd of drm_syncobj.c, there is a possible use after free due to incorrect refcounting. This could lead to local esc…

Published Jun 22, 2021 · Updated Aug 3, 2024 · Assigned by google_android

Package: linux-aws-5.0 Package: linux-aws-5.3 Package: linux-azure Package: linux-azure-5.3 Package: linux-azure-edge Package: linux-gcp Package: linux-gcp-5.3 Package: linux-gcp-edge Package: linux-gke-4.15 Package: linux-hwe Package: linux-hwe-edge Package: linux-oem Package: linux-oem-5.6 Package: linux-oracle-5.0 Package: linux-oracle-5.3 Package: linux-raspi2 Package: linux-riscv Platform: Android Ecosystem: Ubuntu

Description

In drm_syncobj_handle_to_fd of drm_syncobj.c, there is a possible use after free due to incorrect refcounting. 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-168034487

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.

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS linux-riscv +2 No fix yet —
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —

References