Memory Overflow Vulnerability in Linux Kernel Affects iommufd Driver
CVE-2023-53327

5.5MEDIUM

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
16 September 2025

What is CVE-2023-53327?

A memory overflow vulnerability in the Linux kernel's iommufd driver can potentially lead to application crashes or unintended memory access. This issue arises due to inadequate checks on user memory ranges, specifically when values approach the maximum limits of data types used. Such vulnerabilities may allow attackers to exploit the system through crafted input, risking stability and security.

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Affected Version(s)

Linux f4b20bb34c83dceade5470288f48f94ce3598ada

Linux f4b20bb34c83dceade5470288f48f94ce3598ada < 3fb3505636d033bbf7a0851dac63d01732c51d62

Linux f4b20bb34c83dceade5470288f48f94ce3598ada

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.