CVE-2021-47177

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux39ab9555c24110671f8dc671311a26e5c985b592 < 22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8affected
LinuxLinux39ab9555c24110671f8dc671311a26e5c985b592 < 2ec5e9bb6b0560c90d315559c28a99723c80b996affected
LinuxLinux39ab9555c24110671f8dc671311a26e5c985b592 < 044bbe8b92ab4e542de7f6c93c88ea65cccd8e29affected
LinuxLinux39ab9555c24110671f8dc671311a26e5c985b592 < f01134321d04f47c718bb41b799bcdeda27873d2affected
LinuxLinux39ab9555c24110671f8dc671311a26e5c985b592 < ca466561eef36d1ec657673e3944eb6340bddb5baffected
LinuxLinux39ab9555c24110671f8dc671311a26e5c985b592 < 0ee74d5a48635c848c20f152d0d488bf84641304affected
LinuxLinux4.11affected
LinuxLinux0 < 4.11unaffected
LinuxLinux4.14.235 <= 4.14.*unaffected
LinuxLinux4.19.193 <= 4.19.*unaffected
LinuxLinux5.4.124 <= 5.4.*unaffected
LinuxLinux5.10.42 <= 5.10.*unaffected
LinuxLinux5.12.9 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References