CVE-2021-47177: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• Linux Linux Kernel: from 4.11, before 4.14.235 (fixed in 4.14.235); from 4.15, before 4.19.193 (fixed in 4.19.193); from 4.20, before 5.4.124 (fixed in 5.4.124); from 5.5, before 5.10.42 (fixed in 5.10.42); from 5.11, before 5.12.9 (fixed in 5.12.9); version 5.13 only

Published 2024-03-25. Last modified 2026-06-17.