CVE-2024-27401
firewire: nosy: ensure user_length is taken into account when fetching packet contents
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Description
In the Linux kernel, the following vulnerability has been resolved: firewire: nosy: ensure user_length is taken into account when fetching packet contents Ensure that packet_buffer_get respects the user_length provided. If the length of the head packet exceeds the user_length, packet_buffer_get will now return 0 to signify to the user that no data were read and a larger buffer size is required. Helps prevent user space overflows.
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/1fe60ee709436550f8cfbab01295936b868d5baa
- https://git.kernel.org/stable/c/38762a0763c10c24a4915feee722d7aa6e73eb98
- https://git.kernel.org/stable/c/4ee0941da10e8fdcdb34756b877efd3282594c1f
- https://git.kernel.org/stable/c/539d51ac48bcfcfa1b3d4a85f8df92fa22c1d41c
- https://git.kernel.org/stable/c/67f34f093c0f7bf33f5b4ae64d3d695a3b978285
References (12)
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
- NONE
- Availability
- HIGH
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