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.
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Tue, 03 Feb 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
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| Weaknesses | CWE-401 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:* |
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cvssV3_1
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cvssV3_1
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Fri, 10 Oct 2025 11:30:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Linux
Linux linux Kernel |
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| Vendors & Products |
Linux
Linux linux Kernel |
Fri, 10 Oct 2025 00:15:00 +0000
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cvssV3_1
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Thu, 09 Oct 2025 12:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | io_uring: fix incorrect io_kiocb reference in io_link_skb | |
| References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T21:39:48.858Z
Reserved: 2025-04-16T07:20:57.149Z
Link: CVE-2025-39963
No data.
Status : Analyzed
Published: 2025-10-09T13:15:32.517
Modified: 2026-02-26T23:03:40.720
Link: CVE-2025-39963
OpenCVE Enrichment
Updated: 2025-10-10T11:18:03Z