SB20260507278 - Out-of-bounds write in Linux kernel wangxun txgbe driver
Published: May 7, 2026
Security Bulletin ID
SB20260507278
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 write (CVE-ID: CVE-2026-43082)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an out-of-bounds write in the txgbe driver property_entry handling when processing property_entry lists. A local user can trigger allocation of a property_entry list without space for the required null terminator to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/00e1d650fa4b228ef1faea8e29effe4b4861e6e4
- https://git.kernel.org/stable/c/16eb3c2f86de9a21aefe7a6386607d4cd3947a77
- https://git.kernel.org/stable/c/5a37d228799b0ec2c277459c83c814a59d310bc3
- https://git.kernel.org/stable/c/8eff73e58e1f8fe991522acb863164319a7f7dd3
- https://git.kernel.org/stable/c/92c09262dac565a6b831fd724b81fe4ff76f51b4