SB2024071322 - Use-after-free in Linux kernel riscv mm
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071322
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-40915)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the set_direct_map_default_noflush() function in arch/riscv/mm/pageattr.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/919f8626099d9909b9a9620b05e8c8ab06581876
- https://git.kernel.org/stable/c/8661a7af04991201640863ad1a0983173f84b5eb
- https://git.kernel.org/stable/c/d5257ceb19d92069195254866421f425aea42915
- https://git.kernel.org/stable/c/fb1cf0878328fe75d47f0aed0a65b30126fcefc4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35