SB20260918194 - Out-of-bounds read in Linux kernel sw rxe driver
Published: September 18, 2026
Security Bulletin ID
SB20260918194
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-92525)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/126c757e4cd46f866ddc283143b58eb4d9bf52cd
- https://git.kernel.org/stable/c/13cb7160e5b791f5e3ecf9311cf32849fe7e9b62
- https://git.kernel.org/stable/c/5ec111ddc1f727c1e4580aea459842ae5a8359a5
- https://git.kernel.org/stable/c/69d3ccf6543f24c452a020c8028ca6f46cb1e8db
- https://git.kernel.org/stable/c/750bba6ce9bb0b11d6a166031c9728ae3f21765e
- https://git.kernel.org/stable/c/c067aa7b231e91a18a1b3666201ab14dfb00347a