In the Linux kernel, the following vulnerability has been resolved: riscv: misaligned: Restrict user access to kernel memory… (CVE-2024-46792)
A low severity vulnerability (CVE-2024-46792) in the Linux kernel's RISC-V architecture was resolved. The issue involved raw_copy_to_user and raw_copy_from_user functions not calling access_ok(), which allowed userspace to access any virtual memory address improperly. This vulnerability could lead to limited unauthorized read access to kernel memory. The vulnerability has been fixed in the Linux kernel.
AI Analysis
Technical Summary
CVE-2024-46792 is a vulnerability in the Linux kernel specific to the RISC-V architecture where the functions raw_copy_to_user and raw_copy_from_user did not invoke access_ok(), a check that restricts user space access to kernel memory. This flaw allowed userspace processes to access arbitrary virtual memory addresses, potentially leaking kernel memory contents. The issue has been resolved by restricting user access to kernel memory properly in the affected code paths.
Potential Impact
The vulnerability allows a local user with limited privileges to read kernel memory addresses that should be inaccessible, potentially leading to information disclosure. There is no indication of integrity or availability impact. The CVSS score is 3.3 (low severity), reflecting limited impact and attack complexity requiring local privileges.
Mitigation Recommendations
A fix for this vulnerability has been implemented in the Linux kernel. Users and administrators should update to the fixed kernel version as provided by their Linux distribution vendors. Patch status is not explicitly stated in the provided data; therefore, check the vendor advisory or Linux kernel mailing lists for the exact fixed versions and update instructions.
In the Linux kernel, the following vulnerability has been resolved: riscv: misaligned: Restrict user access to kernel memory… (CVE-2024-46792)
Description
A low severity vulnerability (CVE-2024-46792) in the Linux kernel's RISC-V architecture was resolved. The issue involved raw_copy_to_user and raw_copy_from_user functions not calling access_ok(), which allowed userspace to access any virtual memory address improperly. This vulnerability could lead to limited unauthorized read access to kernel memory. The vulnerability has been fixed in the Linux kernel.
CVSS v3.1
Score 3.3low
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-46792 is a vulnerability in the Linux kernel specific to the RISC-V architecture where the functions raw_copy_to_user and raw_copy_from_user did not invoke access_ok(), a check that restricts user space access to kernel memory. This flaw allowed userspace processes to access arbitrary virtual memory addresses, potentially leaking kernel memory contents. The issue has been resolved by restricting user access to kernel memory properly in the affected code paths.
Potential Impact
The vulnerability allows a local user with limited privileges to read kernel memory addresses that should be inaccessible, potentially leading to information disclosure. There is no indication of integrity or availability impact. The CVSS score is 3.3 (low severity), reflecting limited impact and attack complexity requiring local privileges.
Mitigation Recommendations
A fix for this vulnerability has been implemented in the Linux kernel. Users and administrators should update to the fixed kernel version as provided by their Linux distribution vendors. Patch status is not explicitly stated in the provided data; therefore, check the vendor advisory or Linux kernel mailing lists for the exact fixed versions and update instructions.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5937-rmjq-m7qm
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2024-46792"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a71feebbf8831d539ff11c5
Added to database: 08/04/2026, 15:02:03 UTC
Last enriched: 08/04/2026, 15:16:08 UTC
Last updated: 09/10/2026, 19:24:54 UTC
Views: 36
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