SB2024070418 - Improper resource shutdown or release in Linux kernel iommu iommufd driver
Published: July 4, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070418
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2024-26786)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to failure to properly release resources within the iopt_add_access() function in drivers/iommu/iommufd/io_pagetable.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/f1fb745ee0a6fe43f1d84ec369c7e6af2310fda9
- https://git.kernel.org/stable/c/9526a46cc0c378d381560279bea9aa34c84298a0
- https://git.kernel.org/stable/c/aeb004c0cd6958e910123a1607634401009c9539
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8