// For flags

CVE-2022-0617

kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.

Se encontró un fallo de desreferencia de puntero null en la funcionalidad UDF file system del kernel de Linux en la forma en que el usuario desencadena la función udf_file_write_iter para la imagen UDF maliciosa. Un usuario local podría usar este fallo para bloquear el sistema. Actual desde el kernel de Linux versiones 4.2-rc1 hasta 5.17-rc2

A NULL pointer dereference was found in the Linux kernel’s UDF file system functionality in the way the user triggers the udf_file_write_iter function for a malicious UDF image. This flaw allows a local user to crash the system.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-02-15 CVE Reserved
  • 2022-02-16 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-02 CVE Updated
  • 2024-08-02 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
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Linux Kernel
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>= 4.2.1 < 5.17
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-
Affected
Linux
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Linux Kernel
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4.2
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rc1
Affected
Linux
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Linux Kernel
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4.2
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rc2
Affected
Linux
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Linux Kernel
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4.2
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rc3
Affected
Linux
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Linux Kernel
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4.2
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rc4
Affected
Linux
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Linux Kernel
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4.2
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rc5
Affected
Linux
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Linux Kernel
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4.2
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rc6
Affected
Linux
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Linux Kernel
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4.2
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rc7
Affected
Linux
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Linux Kernel
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4.2
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rc8
Affected
Linux
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Linux Kernel
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4.2.0
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-
Affected
Linux
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Linux Kernel
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5.17
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-
Affected
Linux
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Linux Kernel
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5.17
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rc1
Affected
Linux
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Linux Kernel
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5.17
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rc2
Affected
Debian
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Debian Linux
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9.0
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-
Affected
Debian
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Debian Linux
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10.0
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Affected
Debian
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Debian Linux
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11.0
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-
Affected