Bug 2400768 (CVE-2023-53482) - CVE-2023-53482 kernel: iommu: Fix error unwind in iommu_group_alloc()
Summary: CVE-2023-53482 kernel: iommu: Fix error unwind in iommu_group_alloc()
Keywords:
Status: NEW
Alias: CVE-2023-53482
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-01 12:06 UTC by OSIDB Bzimport
Modified: 2025-10-01 20:18 UTC (History)
0 users

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Description OSIDB Bzimport 2025-10-01 12:06:19 UTC 
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
Comment 1 Jon Moroney 2025-10-01 20:16:06 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100113-CVE-2023-53482-ade3@gregkh/T
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