High · 7.8 CVE-2024-46792 EUVD-2024-42053GHSA-5937-rmjq-m7qm

riscv: misaligned: Restrict user access to kernel memory

Published Sep 18, 2024 · Updated Aug 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws 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-aws-6.5 Package: linux-aws-6.8 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-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 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-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop 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-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency 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-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle 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-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

riscv: misaligned: Restrict user access to kernel memory

raw_copy_{to,from}_user() do not call access_ok(), so this code allowed
userspace to access any virtual memory address.

Affected products

Vendor	Product	Affected	Fixed
Linux	Linux	6.7	6.10.10

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 ↗

Release	Package	Fixed in	Advisory
Debian 14	linux	6.10.11-1	—
Debian 13	linux	6.10.11-1	—

Ubuntu

Security tracker ↗

Release	Package	Fixed in	Advisory
Ubuntu 24.04 LTS	linux	6.8.0-50.51	USN-7154-1
Ubuntu 24.04 LTS	linux-aws	6.8.0-1020.22	USN-7154-1
Ubuntu 24.04 LTS	linux-azure	6.8.0-1020.23	USN-7196-1
Ubuntu 24.04 LTS	linux-gcp +1	6.8.0-1019.21	USN-7155-1, USN-7154-1
Ubuntu 24.04 LTS	linux-gke	6.8.0-1015.19	USN-7154-1
Ubuntu 24.04 LTS	linux-gkeop	6.8.0-1002.4	USN-7156-1
Ubuntu 24.04 LTS	linux-ibm	6.8.0-1017.17	USN-7154-1
Ubuntu 24.04 LTS	linux-nvidia-lowlatency	6.8.0-1019.21.1	USN-7155-1
Ubuntu 24.04 LTS	linux-oem-6.8	6.8.0-1018.18	USN-7154-1
Ubuntu 24.04 LTS	linux-oracle	6.8.0-1017.18	USN-7154-1
Ubuntu 24.04 LTS	linux-raspi	6.8.0-1016.18	USN-7154-1
Ubuntu 24.04 LTS	linux-riscv +1	6.8.0-50.51.1	USN-7154-1
Ubuntu 22.04 LTS	linux-aws-6.8	6.8.0-1020.22~22.04.1	USN-7154-1
Ubuntu 22.04 LTS	linux-azure-6.8	6.8.0-1020.23~22.04.1	USN-7196-1
Ubuntu 22.04 LTS	linux-gcp-6.8 +1	6.8.0-1019.21~22.04.1	USN-7155-1, USN-7154-1
Ubuntu 22.04 LTS	linux-hwe-6.8	6.8.0-50.51~22.04.1	USN-7154-2
Ubuntu 22.04 LTS	linux-oracle-6.8	6.8.0-1017.18~22.04.1	USN-7154-1
Ubuntu 22.04 LTS	linux-riscv +31	No fix yet	—
Ubuntu 22.04 LTS	linux-riscv-6.8 +1	6.8.0-50.51.1~22.04.1	USN-7154-1
Ubuntu 20.04 LTS	linux-gke +26	No fix yet	—
Ubuntu 18.04 LTS	linux-gcp +13	No fix yet	—
Ubuntu 16.04 LTS	linux-hwe-edge	No fix yet	—

Show 1 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
Ubuntu Pro Realtime 24.04 LTS	linux-raspi-realtime	6.8.0-2015.16	—
Ubuntu Pro Realtime 24.04 LTS	linux-realtime	6.8.1-1013.14	—

Advisories 6

WID-SEC-2024-2173 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 9, 2026
USN-7154-1 linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oem-6.8, linux-oracle, linux-oracle-6.8, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
USN-7155-1 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
USN-7196-1 linux-azure, linux-azure-6.8 vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
USN-7156-1 linux-gkeop vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026
USN-7154-2 linux-hwe-6.8 vulnerabilities Ubuntu Security Notices (USN) · Oct 29, 2026

References