CVE-2022-49668
PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events
Using Linux by Linux?
Get instant alerts when new vulnerabilities affect Linux - before attackers find them.
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863
- https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c
- https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8
- https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2
- https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2
References (5)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.