// For flags

CVE-2024-38554

ax25: Fix reference count leak issue of net_device

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved:

ax25: Fix reference count leak issue of net_device

There is a reference count leak issue of the object "net_device" in
ax25_dev_device_down(). When the ax25 device is shutting down, the
ax25_dev_device_down() drops the reference count of net_device one
or zero times depending on if we goto unlock_put or not, which will
cause memory leak.

In order to solve the above issue, decrease the reference count of
net_device after dev->ax25_ptr is set to null.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ax25: Solucionar el problema de fuga del recuento de referencias de net_device Hay un problema de fuga del recuento de referencias del objeto "net_device" en ax25_dev_device_down(). Cuando el dispositivo ax25 se está apagando, ax25_dev_device_down() elimina el recuento de referencia de net_device una o cero veces dependiendo de si vamos a unlock_put o no, lo que provocará una pérdida de memoria. Para resolver el problema anterior, reduzca el recuento de referencias de net_device después de que dev->ax25_ptr se establezca en nulo.

*Credits: N/A
CVSS Scores
Attack Vector
-
Attack Complexity
-
Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-18 CVE Reserved
  • 2024-06-19 CVE Published
  • 2024-08-28 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
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
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>= 5.17 < 6.1.93
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.17 < 6.1.93"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.17 < 6.6.33
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.17 < 6.6.33"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.17 < 6.8.12
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.17 < 6.8.12"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.17 < 6.9.3
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.17 < 6.9.3"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 5.17 < 6.10
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.17 < 6.10"
en
Affected
Linux
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Linux Kernel
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4.14.277
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en
Affected
Linux
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Linux Kernel
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4.19.240
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en
Affected
Linux
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Linux Kernel
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5.4.190
Search vendor "Linux" for product "Linux Kernel" and version "5.4.190"
en
Affected
Linux
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Linux Kernel
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5.10.112
Search vendor "Linux" for product "Linux Kernel" and version "5.10.112"
en
Affected
Linux
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Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
5.15.35
Search vendor "Linux" for product "Linux Kernel" and version "5.15.35"
en
Affected