// For flags

CVE-2021-41073

 

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

La función loop_rw_iter en fs/io_uring.c en el kernel de Linux desde la versión 5.10 hasta la versión 5.14.6 permite a los usuarios locales ganar privilegios mediante el uso de IORING_OP_PROVIDE_BUFFERS para desencadenar una liberación de un búfer del kernel, como se ha demostrado utilizando /proc//maps para su explotación

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-09-14 CVE Reserved
  • 2021-09-19 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-763: Release of Invalid Pointer or Reference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Netapp
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H410c Firmware
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--
Affected
in Netapp
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H410c
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--
Safe
Netapp
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H300s Firmware
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--
Affected
in Netapp
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H300s
Search vendor "Netapp" for product "H300s"
--
Safe
Netapp
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H500s Firmware
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--
Affected
in Netapp
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H500s
Search vendor "Netapp" for product "H500s"
--
Safe
Netapp
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H700s Firmware
Search vendor "Netapp" for product "H700s Firmware"
--
Affected
in Netapp
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H700s
Search vendor "Netapp" for product "H700s"
--
Safe
Netapp
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H300e Firmware
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--
Affected
in Netapp
Search vendor "Netapp"
H300e
Search vendor "Netapp" for product "H300e"
--
Safe
Netapp
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H500e Firmware
Search vendor "Netapp" for product "H500e Firmware"
--
Affected
in Netapp
Search vendor "Netapp"
H500e
Search vendor "Netapp" for product "H500e"
--
Safe
Netapp
Search vendor "Netapp"
H700e Firmware
Search vendor "Netapp" for product "H700e Firmware"
--
Affected
in Netapp
Search vendor "Netapp"
H700e
Search vendor "Netapp" for product "H700e"
--
Safe
Netapp
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H410s Firmware
Search vendor "Netapp" for product "H410s Firmware"
--
Affected
in Netapp
Search vendor "Netapp"
H410s
Search vendor "Netapp" for product "H410s"
--
Safe
Netapp
Search vendor "Netapp"
H410c Firmware
Search vendor "Netapp" for product "H410c Firmware"
--
Affected
in Netapp
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H410c
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--
Safe
Linux
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Linux Kernel
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>= 5.10 < 5.10.68
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-
Affected
Linux
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Linux Kernel
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>= 5.11 < 5.14.7
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-
Affected
Debian
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Debian Linux
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10.0
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-
Affected
Fedoraproject
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Fedora
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33
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-
Affected
Fedoraproject
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Fedora
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34
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-
Affected
Netapp
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Cloud Backup
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--
Affected
Netapp
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Solidfire Baseboard Management Controller
Search vendor "Netapp" for product "Solidfire Baseboard Management Controller"
--
Affected