Out-of-bounds read in Linux kernel - CVE-2026-92525

 

Out-of-bounds read in Linux kernel - CVE-2026-92525

Published: September 18, 2026


Vulnerability identifier: #VU150993
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92525
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to an out-of-bounds read in copy_data() when processing a user-supplied work queue element. A local user can post a work queue element with an out-of-range cur_sge or oversized num_sge to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-92525

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins