CVE-2023-53358
ksmbd: fix racy issue under cocurrent smb2 tree disconnect
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Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.
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/b36295c17fb97424406f0c3ab321b1ccaabb9be8
- https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
- https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6
- https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a
- https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5
References (5)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
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