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OpenAdvisories
Unscored CVE-2023-21264 EUVD-2023-25432GHSA-38wf-932f-qv6q

In multiple functions of mem_protect.c, there is a possible way to access hypervisor memory due to a memory access check in the wrong place…

Published Aug 14, 2023 · Updated Oct 9, 2024 · Assigned by google_android

Vendor: Google Product: Android Package: linux Package: linux-allwinner-5.19 Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.2 Package: linux-azure-edge Package: linux-azure-fde-5.19 Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.2 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-nvidia-6.2 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-raspi2 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-starfive-5.19 Platform: Android Ecosystem: Debian Ecosystem: Ubuntu

Description

In multiple functions of mem_protect.c, there is a possible way to access hypervisor memory due to a memory access check in the wrong place. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Affected products

VendorProductAffectedFixed
Google 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 6.3.7-1 —
Debian 13 linux 6.3.7-1 —
Debian 12 linux No fix yet —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux-aws-6.2 +1 6.2.0-1012.12~22.04.1 USN-6383-1
Ubuntu 22.04 LTS linux-azure-fde-6.2 6.2.0-1012.12~22.04.1.1 USN-6383-1
Ubuntu 22.04 LTS linux-gcp-6.2 6.2.0-1014.14~22.04.1 USN-6383-1
Ubuntu 22.04 LTS linux-hwe-6.2 6.2.0-33.33~22.04.1 USN-6383-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.2 6.2.0-1013.13~22.04.1 USN-6383-1
Ubuntu 22.04 LTS linux-nvidia-6.2 6.2.0-1011.11 USN-6466-1
Ubuntu 22.04 LTS linux-riscv +12 No fix yet —
Ubuntu 20.04 LTS linux-gke +25 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.52-71.125 1.0-0.amzn2023 ALAS2023-2023-349
Amazon Linux 2023 perf +12 6.1.52-71.125.amzn2023 ALAS2023-2023-349

Advisories 4

References