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CVE-2023-53482

iommu: Fix error unwind in iommu_group_alloc()

MEDIUM
5.5
CVSS Score
Published: October 1, 2025 at 11:42 AM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.11 ≤ v < 5.15.994.11 ≤ v < 6.1.164.11 ≤ v < 6.2.34.11 ≤ v < 6.35.16 ≤ v < 6.1.166.2 ≤ v < 6.2.34.11bc7d12b91bd35477fd650c4d72b61239de9d9066
Vendor states this is fixed in 4c23124b45ee0aa895ed8d5d08871ae6b15ee336 (fixed)
Vendor states this is fixed in 4daa861174d56023c2068ddb03de0752f07fa199 (fixed)
Vendor states this is fixed in 8602fa38a63fc689eca29c8c586fac2d8a1f8739 (fixed)
Vendor states this is fixed in f119ef452e2d82d912797273cb790a86f1125b3e (fixed)
Vendor states this is fixed in 4.11 (unaffected)
Vendor states this is fixed in 5.15.99 (unaffected)
Vendor states this is fixed in 6.1.16 (unaffected)
Vendor states this is fixed in 6.2.3 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

References (4)

Patch
Source: cverecord
https://git.kernel.org/stable/c/f119ef452e2d82d912797273cb790a86f1125b3e
Patch
Source: cverecord
https://git.kernel.org/stable/c/4c23124b45ee0aa895ed8d5d08871ae6b15ee336
Patch
Source: cverecord
https://git.kernel.org/stable/c/8602fa38a63fc689eca29c8c586fac2d8a1f8739
Patch
Source: cverecord
https://git.kernel.org/stable/c/4daa861174d56023c2068ddb03de0752f07fa199

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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