CVE-2021-47177

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

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

25 Mar 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

References

https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29 https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304 https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8 https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996 https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5b https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2