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Status published
Medium
CVE-2021-47177
iommu/vt-d: Fix sysfs leak in alloc_iommu()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix sysfs leak in alloc_iommu() iommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent errors.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8
- https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996
- https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29
- https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2
- https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5b
- https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
39ab9555c24110671f8dc671311a26e5c985b592, 4.11, 0, 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12.9, 5.13
Timeline
Official Publish:
March 25th, 2024
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.