CVE-2022-50358
brcmfmac: return error when getting invalid max_flowrings from dongle
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Description
In the Linux kernel, the following vulnerability has been resolved: brcmfmac: return error when getting invalid max_flowrings from dongle When firmware hit trap at initialization, host will read abnormal max_flowrings number from dongle, and it will cause kernel panic when doing iowrite to initialize dongle ring. To detect this error at early stage, we directly return error when getting invalid max_flowrings(>256).
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/3cc9299036bdb647408e11e41de3eb1ff6d428cd
- https://git.kernel.org/stable/c/2e8bb402b060a6c22160de3d72cee057698177c8
- https://git.kernel.org/stable/c/10c4b63d09a5b0ebf1b61af1dae7f25555cf58b6
- https://git.kernel.org/stable/c/87f126b25fa8562196f0f4c0aa46a446026199bf
- https://git.kernel.org/stable/c/200347eb3b2608cc8b54c13dd1d5e03809ba2eb2
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- PHYSICAL
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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