CVE-2025-68317
io_uring/zctx: check chained notif contexts
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 16, 2025 |
| Last Updated | Aug 5, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
6fe4220912d19152a26ce19713ab232f4263018d < aaafd17d3f4be2c15539359a5b4bfa00237f687f 6fe4220912d19152a26ce19713ab232f4263018d < d664a3ce3a604231a0b144c152a3755d03b18b60 6fe4220912d19152a26ce19713ab232f4263018d < ab3ea6eac5f45669b091309f592c4ea324003053
Linux / Linux
6.10