CVE-2026-63899
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
In the Linux kernel, the following vulnerability has been resolved: USB: serial: mxuport: fix memory corruption with small endpoint Make sure that the bulk-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption should a malicious device report a smaller size.
Predictions
Exploit likelihood
20%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://git.kernel.org/stable/c/086b858b5f5125bc9d967ea2bd825f83d9f8f29d
- https://git.kernel.org/stable/c/2f3661eb2446e1ef593da45e01a3b21a906768ec
- https://git.kernel.org/stable/c/4085f0dbb1ce2251c9a5938d693de6593f0ab2bd
- https://git.kernel.org/stable/c/6c0cf56f00f280d72180bb6ce79741bc787a6269
- https://git.kernel.org/stable/c/b40166b4ef96067620a0f248e74ad9658c8f680c
- https://git.kernel.org/stable/c/be3a1ed4ae51fa8dde57383277d336ce834f2cd9
- https://git.kernel.org/stable/c/ccbec56f2f9af008f1574335cc6a668f16603e47
- https://git.kernel.org/stable/c/e906545641d34fb1a09a65b4b5cfdff40eb09681
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.