CVE-2021-47403
ipack: ipoctal: fix module reference leak
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Description
In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.
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/31398849b84ebae0d43a1cf379cb9895597f221a
- https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666
- https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c
- https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562
- https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69
References (8)
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
- HIGH
- Integrity
- NONE
- Availability
- HIGH
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