CVE-2025-38375
virtio-net: ensure the received length does not exceed allocated size
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Description
In the Linux kernel, the following vulnerability has been resolved: virtio-net: ensure the received length does not exceed allocated size In xdp_linearize_page, when reading the following buffers from the ring, we forget to check the received length with the true allocate size. This can lead to an out-of-bound read. This commit adds that missing check.
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/11f2d0e8be2b5e784ac45fa3da226492c3e506d8
- https://git.kernel.org/stable/c/315dbdd7cdf6aa533829774caaf4d25f1fd20e73
- https://git.kernel.org/stable/c/6aca3dad2145e864dfe4d1060f45eb1bac75dd58
- https://git.kernel.org/stable/c/773e95c268b5d859f51f7547559734fd2a57660c
- https://git.kernel.org/stable/c/80b971be4c37a4d23a7f1abc5ff33dc7733d649b
References (10)
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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