CVE-2022-49668

MEDIUM EPSS 15.3%
Published Feb 26, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
15.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥4.0  –  <5.4.204
linuxlinux_kernel*≥5.5  –  <5.10.129
linuxlinux_kernel*≥5.11  –  <5.15.53
linuxlinux_kernel*≥5.16  –  <5.18.10
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2
    Patch