CVEvulnerability
CVE-2021-47177
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-03-25
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
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.
Affected configurations
• linux linux kernel (>= 4.11 < 4.14.235)
• linux linux kernel (>= 4.15 < 4.19.193)
• linux linux kernel (>= 4.20 < 5.4.124)
• linux linux kernel (>= 5.5 < 5.10.42)
• linux linux kernel (>= 5.11 < 5.12.9)
• linux linux kernel 5.13
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29 Patch
- https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304 Patch
- https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8 Patch
- https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996 Patch
- https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5b Patch
- https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2 Patch
- https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29 Patch
- https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304 Patch
- https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8 Patch
- https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996 Patch
- https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5b Patch
- https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2 Patch