5.5

CVE-2021-47177

iommu/vt-d: Fix sysfs leak in alloc_iommu()

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.11 < 4.14.235
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.193
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.124
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.42
Linux ≫ Linux Kernel Version >= 5.11 < 5.12.9
Linux ≫ Linux Kernel Version5.13 Updaterc1
Linux ≫ Linux Kernel Version5.13 Updaterc2
Linux ≫ Linux Kernel Version5.13 Updaterc3
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.146
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

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