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

NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()

The value of mirror->pg_bytes_written should only be updated after a
successful attempt to flush out the requests on the list.

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
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < e8b8418ce14ae66ee55179901edd12191ab06a9e
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < b291baae24f876acd5a5dd57d0bb2bbac8a68b0c
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < c757c1f1e65d89429db1409429436cf40d47c008
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < 40f139a6d50c232c0d1fd1c5e65a845c62db0ede
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < 785917316b25685c9b3a2a88f933139f2de75e33
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < 7087db95c0a06ab201b8ebfac6a7ec1e34257997
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < 2fe1cac336b55a1f79e603e9ce3552c3623e90eb
a7d42ddb3099727f58366fa006f850a219cce6c8 affected < 0d0ea309357dea0d85a82815f02157eb7fcda39f
Linux Linux affected
Version Status Constraints
4.0 affected —
0 unaffected < 4.0
4.4.271 unaffected ≤ 4.4.*
4.9.271 unaffected ≤ 4.9.*
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:*:*:*:*:*:*:*:*
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.

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Vendors Products
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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/0d0ea309357dea0d85a82815f02157eb7fcda39f cve-icon cve-icon
https://git.kernel.org/stable/c/2fe1cac336b55a1f79e603e9ce3552c3623e90eb cve-icon cve-icon
https://git.kernel.org/stable/c/40f139a6d50c232c0d1fd1c5e65a845c62db0ede cve-icon cve-icon
https://git.kernel.org/stable/c/7087db95c0a06ab201b8ebfac6a7ec1e34257997 cve-icon cve-icon
https://git.kernel.org/stable/c/785917316b25685c9b3a2a88f933139f2de75e33 cve-icon cve-icon
https://git.kernel.org/stable/c/b291baae24f876acd5a5dd57d0bb2bbac8a68b0c cve-icon cve-icon
https://git.kernel.org/stable/c/c757c1f1e65d89429db1409429436cf40d47c008 cve-icon cve-icon
https://git.kernel.org/stable/c/e8b8418ce14ae66ee55179901edd12191ab06a9e cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024032535-CVE-2021-47166-6ab7@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47166 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47166 cve-icon
History

Mon, 17 Mar 2025 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-787
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

Tue, 05 Nov 2024 20:15:00 +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: 2025-05-04T07:05:25.815Z

Reserved: 2024-03-25T09:12:14.110Z

Link: CVE-2021-47166

cve-icon Vulnrichment

Updated: 2024-08-04T05:24:39.936Z

cve-icon NVD

Status : Analyzed

Published: 2024-03-25T10:15:08.667

Modified: 2025-03-17T15:03:38.947

Link: CVE-2021-47166

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2021-47166 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses