// For flags

CVE-2019-3459

kernel: Heap address information leak while using L2CAP_GET_CONF_OPT

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.

Se descubrió una fuga de información de direcciones en memoria dinámica mientras se usaba L2CAP_GET_CONF_OPT en el kernel de Linux anterior a 5.1-rc1.

A flaw was found in the Linux kernel's implementation of Logical Link Control and Adaptation Protocol (L2CAP), part of the Bluetooth stack. An attacker, within the range of standard Bluetooth transmissions, can create and send a specially crafted packet. The response to this specially crafted packet can contain part of the kernel stack which can be used in a further attack.

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Adjacent
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
  • 2018-12-31 CVE Reserved
  • 2019-04-03 CVE Published
  • 2024-04-04 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
References (20)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
<= 5.1
Search vendor "Linux" for product "Linux Kernel" and version " <= 5.1"
-
Affected
Canonical
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Ubuntu Linux
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14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
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Ubuntu Linux
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16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
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Ubuntu Linux
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18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected
Canonical
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Ubuntu Linux
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18.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"
-
Affected
Redhat
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Codeready Linux Builder
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8.0
Search vendor "Redhat" for product "Codeready Linux Builder" and version "8.0"
-
Affected
Redhat
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Enterprise Linux
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5.0
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-
Affected
Redhat
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Enterprise Linux
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6.0
Search vendor "Redhat" for product "Enterprise Linux" and version "6.0"
-
Affected
Redhat
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Enterprise Linux
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7.0
Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"
-
Affected
Redhat
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Enterprise Linux
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8.0
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
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-
Affected
Redhat
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Enterprise Linux Eus
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8.1
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-
Affected
Redhat
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Enterprise Linux Eus
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8.2
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-
Affected
Redhat
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Enterprise Linux Eus
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8.4
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-
Affected
Redhat
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Enterprise Linux For Real Time
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7
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-
Affected
Redhat
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Enterprise Linux For Real Time
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8
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-
Affected
Redhat
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Enterprise Linux For Real Time For Nfv
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7
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-
Affected
Redhat
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Enterprise Linux For Real Time For Nfv
Search vendor "Redhat" for product "Enterprise Linux For Real Time For Nfv"
8
Search vendor "Redhat" for product "Enterprise Linux For Real Time For Nfv" and version "8"
-
Affected
Redhat
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Enterprise Linux For Real Time For Nfv Tus
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8.2
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-
Affected
Redhat
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Enterprise Linux For Real Time For Nfv Tus
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8.4
Search vendor "Redhat" for product "Enterprise Linux For Real Time For Nfv Tus" and version "8.4"
-
Affected
Redhat
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Enterprise Linux For Real Time Tus
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8.2
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-
Affected
Redhat
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Enterprise Linux For Real Time Tus
Search vendor "Redhat" for product "Enterprise Linux For Real Time Tus"
8.4
Search vendor "Redhat" for product "Enterprise Linux For Real Time Tus" and version "8.4"
-
Affected
Redhat
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Enterprise Linux Server
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7.0
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-
Affected
Redhat
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Enterprise Linux Server Aus
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8.2
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-
Affected
Redhat
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Enterprise Linux Server Aus
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8.4
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-
Affected
Redhat
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Enterprise Linux Server Tus
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8.2
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-
Affected
Redhat
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Enterprise Linux Server Tus
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8.4
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-
Affected
Redhat
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Enterprise Linux Workstation
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7.0
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-
Affected
Redhat
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Enterprise Mrg
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2.0
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-
Affected
Debian
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Debian Linux
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8.0
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-
Affected