In the Linux kernel, the following vulnerability has been resolved:

mt76: mt7915: fix tx skb dma unmap

The first pointer in the txp needs to be unmapped as well, otherwise it will
leak DMA mapping entries

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 0.00019.

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
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 affected < 4e7914ce23306b28d377ec395e00e5fde0e6f96e
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 affected < 4a9dcd6efb2a268fc5707dcfb3b0c412975c4462
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 affected < e2cdc9cb33c5963efe1a7c022753386f9463d1b7
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 affected < 7dcf3c04f0aca746517a77433b33d40868ca4749
Linux Linux affected
Version Status Constraints
5.10 affected —
0 unaffected < 5.10
5.10.37 unaffected ≤ 5.10.*
5.11.21 unaffected ≤ 5.11.*
5.12.4 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:*:*:*:*:*:*:*:*

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/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 cve-icon cve-icon
https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e cve-icon cve-icon
https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 cve-icon cve-icon
https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024022835-CVE-2021-47032-b4df@gregkh/T/#u cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47032 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47032 cve-icon
History

Thu, 12 Dec 2024 16:00:00 +0000

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

{'score': 2.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'}

 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 13:15:00 +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: 2025-05-04T07:02:40.950Z

Reserved: 2024-02-27T18:42:55.963Z

Link: CVE-2021-47032

cve-icon Vulnrichment

Updated: 2024-08-04T05:24:39.503Z

cve-icon NVD

Status : Analyzed

Published: 2024-02-28T09:15:39.617

Modified: 2024-12-12T15:38:48.267

Link: CVE-2021-47032

cve-icon Redhat

Severity : Low

Publid Date: 2024-02-28T00:00:00Z

Links: CVE-2021-47032 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses