CVE-2025-68317

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f
https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053
https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60

Configurations

No configuration.

History

30 Jul 2026, 06:24

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8

16 Dec 2025, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-16 16:16

Updated : 2026-07-30 06:24

NVD link : CVE-2025-68317

Mitre link : CVE-2025-68317

CVE.ORG link : CVE-2025-68317

JSON object : View

Products Affected

No product.

CWE

No CWE.

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