PT-2025-40189 · Linux+2 · Linux Kernel+2

Published 2023-02-16 · Updated 2026-03-14 · CVE-2023-53482

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel related to IOMMU group allocation. Specifically, if iommu group grate file() fails, the IOMMU group is leaked. The issue is addressed by ensuring the IOMMU group is destroyed on these error paths. The iommu group alloc() function is involved in this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-04077

CVE-2023-53482

SUSE-SU-2025:03615-1

SUSE-SU-2025:3761-1

Affected Products

Debian

Linux Kernel

Suse

References · 839

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53482.json · Exploit
• https://git.kernel.org/stable/c/f119ef452e2d82d912797273cb790a86f1125b3e · Patch
• https://git.kernel.org/stable/c/4c23124b45ee0aa895ed8d5d08871ae6b15ee336 · Patch
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-53482 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53482 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53482 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04077 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53482 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53482 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53482 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53482 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53482 · Vendor Advisory
• https://git.kernel.org/stable/c/4daa861174d56023c2068ddb03de0752f07fa199 · Patch