SB2024070353 - Improper privilege management in Linux kernel iommu intel driver
Published: July 3, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070353
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) Improper privilege management (CVE-ID: CVE-2021-47035)
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the __domain_mapping() function in drivers/iommu/intel/iommu.c. A local user can read and manipulate data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c848416cc05afc1589edba04fe00b85c2f797ee3
- https://git.kernel.org/stable/c/89bd620798704a8805fc9db0d71d7f812cf5b3d2
- https://git.kernel.org/stable/c/25faff78138933244c678c7fc78f7c0340fa04a0
- https://git.kernel.org/stable/c/66c24699f266ff310381a9552d3576eea8ad6e20
- https://git.kernel.org/stable/c/eea53c5816889ee8b64544fa2e9311a81184ff9c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13