CVE-2023-52871
soc: qcom: llcc: Handle a second device without data corruption
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Description
In the Linux kernel, the following vulnerability has been resolved: soc: qcom: llcc: Handle a second device without data corruption Usually there is only one llcc device. But if there were a second, even a failed probe call would modify the global drv_data pointer. So check if drv_data is valid before overwriting it.
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/1143bfb9b055897975aeaea254da148e19524493
- https://git.kernel.org/stable/c/3565684309e54fa998ea27f37028d67cc3e1dff2
- https://git.kernel.org/stable/c/5e5b85ea0f4bc484bfe4cc73ead51fa48d2366a0
- https://git.kernel.org/stable/c/995ee1e84e8db7fa5dcdde7dfe0bd7bb6f9bbb8c
- https://git.kernel.org/stable/c/cc1a1dcb411fe224f48553cfdcdfe6e61395b69c
References (7)
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
- HIGH
- Availability
- NONE
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