CVE-2022-49668

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49668
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. This function only calls of_node_put() in normal path, missing it in error paths. Add missing of_node_put() to avoid refcount leak.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863 Patch
https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c Patch
https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8 Patch
https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2 Patch
https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
History

11 Mar 2025, 22:09

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PM/devfreq: exynos-ppmu: Se corrige la fuga de refcount en of_get_devfreq_events of_get_child_by_name() devuelve un puntero de nodo con refcount incrementado, deberíamos usar of_node_put() en él cuando haya terminado. Esta función solo llama a of_node_put() en la ruta normal, y no la llama en las rutas de error. Agregue la falta de of_node_put() para evitar la fuga de refcount.
References () https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863 - () https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863 - Patch
References () https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c - () https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c - Patch
References () https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8 - () https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8 - Patch
References () https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2 - () https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2 - Patch
References () https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2 - () https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2 - Patch
CWE NVD-CWE-Other
First Time Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-11 22:09

NVD link : CVE-2022-49668

Mitre link : CVE-2022-49668

CVE.ORG link : CVE-2022-49668

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-Other