CVE-2022-49668
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 5.4.204
- Linux Kernel < 5.10.129
- Linux Kernel < 5.15.53
- Linux Kernel < 5.18.10
- Linux Kernel 5.19
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-49668.md and follow it. Check whether this project is affected by CVE-2022-49668. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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
- 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