CVE-2021-47565
scsi: mpt3sas: Fix kernel panic during drive powercycle test
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Description
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix kernel panic during drive powercycle test While looping over shost's sdev list it is possible that one of the drives is getting removed and its sas_target object is freed but its sdev object remains intact. Consequently, a kernel panic can occur while the driver is trying to access the sas_address field of sas_target object without also checking the sas_target object for NULL.
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/0d4b29eaadc1f59cec0c7e85eae77d08fcca9824
- https://git.kernel.org/stable/c/0ee4ba13e09c9d9c1cb6abb59da8295d9952328b
- https://git.kernel.org/stable/c/2bf9c5a5039c8f4b037236aed505e6a25c1d5f7b
- https://git.kernel.org/stable/c/58ef2c7a6de13721865d84b80eecf56d6cba0937
- https://git.kernel.org/stable/c/5d4d50b1f159a5ebab7617f47121b4370aa58afe
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
- HIGH
- Availability
- HIGH
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