CVE-2021-47051
spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()
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: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
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/4a01ad002d2e03c399af536562693752af7c81b1
- https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
- https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
- https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
- https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce
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.