SB2026092892 - Out-of-bounds write in Linux kernel net ethernet driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB2026092892
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote 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 write (CVE-ID: CVE-2026-98105)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an out-of-bounds write in the oa_tc6 Ethernet driver when processing received data after data-chunk loss caused by receive buffer overflow errors. A remote attacker can cause oversubscribed traffic to trigger an assertion during skb_put.
Remediation
Install update from vendor's website.