CVE-2021-47177
MEDIUMCVSS 5.5/10EPSS 0.24%
Last modified
CVE-2021-47177 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| 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 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2021-47177?
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.
How severe is CVE-2021-47177?
CVE-2021-47177 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2021-47177?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-47177?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST