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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00014.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
39ab9555c24110671f8dc671311a26e5c985b592 affected < 22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8
39ab9555c24110671f8dc671311a26e5c985b592 affected < 2ec5e9bb6b0560c90d315559c28a99723c80b996
39ab9555c24110671f8dc671311a26e5c985b592 affected < 044bbe8b92ab4e542de7f6c93c88ea65cccd8e29
39ab9555c24110671f8dc671311a26e5c985b592 affected < f01134321d04f47c718bb41b799bcdeda27873d2
39ab9555c24110671f8dc671311a26e5c985b592 affected < ca466561eef36d1ec657673e3944eb6340bddb5b
39ab9555c24110671f8dc671311a26e5c985b592 affected < 0ee74d5a48635c848c20f152d0d488bf84641304
Linux Linux affected
Version Status Constraints
4.11 affected —
0 unaffected < 4.11
4.14.235 unaffected ≤ 4.14.*
4.19.193 unaffected ≤ 4.19.*
5.4.124 unaffected ≤ 5.4.*
5.10.42 unaffected ≤ 5.10.*
5.12.9 unaffected ≤ 5.12.*
5.13 unaffected ≤ *

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors Products
Linux Subscribe
Linux Kernel Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/044bbe8b92ab4e542de7f6c93c88ea65cccd8e29 cve-icon cve-icon
https://git.kernel.org/stable/c/0ee74d5a48635c848c20f152d0d488bf84641304 cve-icon cve-icon
https://git.kernel.org/stable/c/22da9f4978381a99f1abaeaf6c9b83be6ab5ddd8 cve-icon cve-icon
https://git.kernel.org/stable/c/2ec5e9bb6b0560c90d315559c28a99723c80b996 cve-icon cve-icon
https://git.kernel.org/stable/c/ca466561eef36d1ec657673e3944eb6340bddb5b cve-icon cve-icon
https://git.kernel.org/stable/c/f01134321d04f47c718bb41b799bcdeda27873d2 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024032538-CVE-2021-47177-4d4a@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47177 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47177 cve-icon
History

Mon, 17 Mar 2025 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-401
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Mon, 04 Nov 2024 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 11 Sep 2024 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 11 Sep 2024 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T07:05:42.586Z

Reserved: 2024-03-25T09:12:14.112Z

Link: CVE-2021-47177

cve-icon Vulnrichment

Updated: 2024-08-04T05:24:40.204Z

cve-icon NVD

Status : Analyzed

Published: 2024-03-25T10:15:09.213

Modified: 2025-03-17T15:20:45.187

Link: CVE-2021-47177

cve-icon Redhat

Severity : Low

Publid Date: 2024-03-25T00:00:00Z

Links: CVE-2021-47177 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses