CVE-2024-35815
fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion
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Description
In the Linux kernel, the following vulnerability has been resolved: fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion The first kiocb_set_cancel_fn() argument may point at a struct kiocb that is not embedded inside struct aio_kiocb. With the current code, depending on the compiler, the req->ki_ctx read happens either before the IOCB_AIO_RW test or after that test. Move the req->ki_ctx read such that it is guaranteed that the IOCB_AIO_RW test happens first.
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/10ca82aff58434e122c7c757cf0497c335f993f3
- https://git.kernel.org/stable/c/18d5fc3c16cc317bd0e5f5dabe0660df415cadb7
- https://git.kernel.org/stable/c/396dbbc18963648e9d1a4edbb55cfe08fa374d50
- https://git.kernel.org/stable/c/5c43d0041e3a05c6c41c318b759fff16d2384596
- https://git.kernel.org/stable/c/94eb0293703ced580f05dfbe5a57da5931e9aee2
References (11)
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
- NONE
- Availability
- HIGH
Quick Info
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