SB2024071316 - Use-after-free in Linux kernel dma idxd driver
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071316
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-2024-40956)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the irq_process_work_list() function in drivers/dma/idxd/irq.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33
- https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5
- https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8
- https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd
- https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.36