CVE-2021-47310
net: ti: fix UAF in tlan_remove_one
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Description
In the Linux kernel, the following vulnerability has been resolved: net: ti: fix UAF in tlan_remove_one priv is netdev private data and it cannot be used after free_netdev() call. Using priv after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.
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/0336f8ffece62f882ab3012820965a786a983f70
- https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9
- https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342
- https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193
- https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf
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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