CVE-2025-39963
io_uring: fix incorrect io_kiocb reference in io_link_skb
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix incorrect io_kiocb reference in io_link_skb In io_link_skb function, there is a bug where prev_notif is incorrectly assigned using 'nd' instead of 'prev_nd'. This causes the context validation check to compare the current notification with itself instead of comparing it with the previous notification. Fix by using the correct prev_nd parameter when obtaining prev_notif.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 9, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
6fe4220912d19152a26ce19713ab232f4263018d < a89c34babc2e5834aa0905278f26f4dbe4b26b76 6fe4220912d19152a26ce19713ab232f4263018d < 50a98ce1ea694f1ff8e87bc2f8f84096d1736f6a 6fe4220912d19152a26ce19713ab232f4263018d < 2c139a47eff8de24e3350dadb4c9d5e3426db826
Linux / Linux
6.10