SB20260928165 - Heap-based buffer overflow in Linux kernel net usb driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928165
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-98025)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 0 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows an attacker with physical access to corrupt memory.
The vulnerability exists due to a heap-based buffer overflow in the cx82310_rx_fixup function of the cx82310_eth USB network driver when processing a crafted USB network receive URB beginning with the 0xffff reboot sentinel. An attacker with physical access can send a crafted USB network receive URB to corrupt memory.
Remediation
Install update from vendor's website.