SB2024070233 - Buffer overflow in Linux kernel dma idxd driver
Published: July 2, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070233
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-46920)
The vulnerability allows a local user to manipulate data.
The vulnerability exists due to memory corruption within the process_misc_interrupts() function in drivers/dma/idxd/irq.c. A local user can manipulate data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/a5ad12d5d69c63af289a37f05187a0c6fe93553d
- https://git.kernel.org/stable/c/02981a44a0e402089775416371bd2e0c935685f8
- https://git.kernel.org/stable/c/ea941ac294d75d0ace50797aebf0056f6f8f7a7f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.32
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12