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.
History

Tue, 16 Dec 2025 15:45:00 +0000

Type Values Removed Values Added
Description 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.
Title io_uring/zctx: check chained notif contexts
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-12-16T15:39:47.159Z

Updated: 2025-12-16T15:39:47.159Z

Reserved: 2025-12-16T14:48:05.295Z

Link: CVE-2025-68317

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-16T16:16:11.280

Modified: 2025-12-16T16:16:11.280

Link: CVE-2025-68317

cve-icon Redhat

No data.