// For flags

CVE-2022-0854

kernel: swiotlb information leak with DMA_FROM_DEVICE

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 memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

Se ha encontrado un fallo de pérdida de memoria en el subsistema DMA del kernel de Linux, en la forma en que un usuario llama a DMA_FROM_DEVICE. Este fallo permite a un usuario local leer memoria aleatoria del espacio del kernel

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-03-04 CVE Reserved
  • 2022-03-23 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-200: Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-401: Missing Release of Memory after Effective Lifetime
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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<= 5.16
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-
Affected
Linux
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Linux Kernel
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5.17
Search vendor "Linux" for product "Linux Kernel" and version "5.17"
-
Affected
Linux
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Linux Kernel
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5.17
Search vendor "Linux" for product "Linux Kernel" and version "5.17"
rc1
Affected
Linux
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Linux Kernel
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5.17
Search vendor "Linux" for product "Linux Kernel" and version "5.17"
rc2
Affected
Linux
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Linux Kernel
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5.17
Search vendor "Linux" for product "Linux Kernel" and version "5.17"
rc3
Affected
Linux
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Linux Kernel
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5.17
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rc4
Affected
Linux
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Linux Kernel
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5.17
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rc5
Affected
Linux
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Linux Kernel
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5.17
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rc6
Affected
Linux
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Linux Kernel
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5.17
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rc7
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