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.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.11, < 4.14.235 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29Patch
- https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304Patch
- https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8Patch
- https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996Patch
- https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5bPatch
- https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2Patch
- https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29Patch
- https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304Patch
- https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8Patch
- https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996Patch
- https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5bPatch
- https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2Patch
FAQ
What is CVE-2021-47177?
CVE-2021-47177 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 error...
How severe is CVE-2021-47177?
CVE-2021-47177 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47177?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.