CVE-2021-47322
"NFS Kernel O_DIRECT Oops Vulnerability"
Description
In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT Fix an Oopsable condition in pnfs_mark_request_commit() when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt.
INFO
Published Date :
May 21, 2024, 3:15 p.m.
Last Modified :
May 12, 2025, 7:59 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47322.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47322 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47322 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
May. 12, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-787 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.13.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.7 up to (excluding) 5.10.52 Added Reference Type CVE: https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456 Added Reference https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153 Added Reference https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd Added Reference https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 21, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT Fix an Oopsable condition in pnfs_mark_request_commit() when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt. Added Reference kernel.org https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47322 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47322
weaknesses.