The vulnerability of the io_uring/zctx component in the Linux operating system’s kernel allows a hacker to gain access to confidential data.

The vulnerability of the iouring/zctx component in Linux operating systems is related to improper validation of consistency in input data. Exploiting this vulnerability can allow an attacker to access confidential data...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: iouring/zctx: Check chained notification contexts. Send zc only when there are links in ubufinfo for requests coming from the same context. There are some ambiguous reports from syz, so let’s examine the assumption regarding...

SUSE CVE-2025-68317

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

CVE-2025-68317

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

CVE-2025-68317

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

CVE-2025-68317

CVE-2025-68317 affects the Linux kernel component io_uring/zctx, described as: “io_uring/zctx: check chained notif contexts.” The description indicates a logic/validation issue around notification contexts and mentions that “Send zc only links ubuf_info for requests coming from the same context,”...

CVE-2025-68317 io_uring/zctx: check chained notif contexts

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

CVE-2025-68317 io_uring/zctx: check chained notif contexts

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

CVE-2025-68317: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion...

Linux Distros Unpatched Vulnerability : CVE-2025-68317

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/zctx: check chained notif contexts Send zc only links ubufinfo for requests coming from the same context. There are some ambiguous syz reports, so let's...

PT-2025-51729

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s io uring/zctx functionality related to chained notification contexts. The issue involves incorrectly handling notification completion, potentially...