SB2024060856 - Information disclosure in Linux kernel iommu driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060856
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-47325)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the arm_smmu_iova_to_phys_hard() function in drivers/iommu/arm-smmu.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b11220803ad14a2a880cc06d8e01fe2548cc85b0
- https://git.kernel.org/stable/c/43d1aaa1965f9b58035196dac49b1e1e6c9c25eb
- https://git.kernel.org/stable/c/0f0c5ea09139777d90729d408b807021f2ea6492
- https://git.kernel.org/stable/c/5f9741a9a91f25c89e04b408cd61e3ab050ce24b
- https://git.kernel.org/stable/c/7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.52
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.134