What’s Vulnerable › Vulnerabilities

CVE-2023-53482: iommu: Fix error unwind in iommu_group_alloc()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix error unwind in iommu_group_alloc() If either iommu_group_grate_file() fails then the iommu_group is leaked. Destroy it on these error paths. Found by kselftest/iommu/iommufd_fail_nth

Affected products

• Linux kernel: from 4.11 before 5.15.99; from 5.16 before 6.1.16; from 6.2 before 6.2.3 — fixed in 5.15.99, 6.1.16, 6.2.3

How to fix

Upgrade to a fixed version: Linux kernel 5.15.99, 6.1.16, 6.2.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4c23124b45ee0aa895ed8d5d08871ae6b15ee336
• https://git.kernel.org/stable/c/4daa861174d56023c2068ddb03de0752f07fa199
• https://git.kernel.org/stable/c/8602fa38a63fc689eca29c8c586fac2d8a1f8739
• https://git.kernel.org/stable/c/f119ef452e2d82d912797273cb790a86f1125b3e

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