CVE-2022-50462
MIPS: vpe-mt: fix possible memory leak while module exiting
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Description
In the Linux kernel, the following vulnerability has been resolved: MIPS: vpe-mt: fix possible memory leak while module exiting Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, it need be freed when module exiting, call put_device() to give up reference, so that it can be freed in kobject_cleanup() when the refcount hit to 0. The vpe_device is static, so remove kfree() from vpe_device_release().
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/170e9913c2ed5cfc37c0adf0fdbd368d2d8d8168
- https://git.kernel.org/stable/c/9d180e0bb21c57bd6cca2adeb672d3b522e910b5
- https://git.kernel.org/stable/c/851ae5640875f06494e40002cd503b11a634c6fb
- https://git.kernel.org/stable/c/b3325a443525e3b89151879b834519b21c5e3011
- https://git.kernel.org/stable/c/48d42f4464d713fbdd79f334fdcd6e5be534cc67
References (9)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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