Strix
26.1K

CVE-2025-68317

HIGHCVSS 7.8/10EPSS 0.16%

Last modified

CVE-2025-68317 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.16%

5.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 6fe4220912d19152a26ce19713ab232f4263018d, < aaafd17d3f4be2c15539359a5b4bfa00237f687f; >= 6fe4220912d19152a26ce19713ab232f4263018d, < d664a3ce3a604231a0b144c152a3755d03b18b60; >= 6fe4220912d19152a26ce19713ab232f4263018d, < ab3ea6eac5f45669b091309f592c4ea324003053
LinuxLinux6.10

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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.
How severe is CVE-2025-68317?
CVE-2025-68317 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2025-68317?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2025

View all 2025CVEs →

Are you affected by CVE-2025-68317?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST