SB20260816259 - Improper resource shutdown or release in Linux kernel usb etas_es58x driver
Published: August 16, 2026
Security Bulletin ID
SB20260816259
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-74459)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in es58x_read_bulk_callback() in the etas_es58x CAN USB driver when handling a failed RX URB resubmission. A local user can trigger a URB resubmission failure to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0ef136ba052101243ba117a1aca6f4a4c3a81142
- https://git.kernel.org/stable/c/19c6c8c6cd5dd14fab5fcd744584812a57cbb78d
- https://git.kernel.org/stable/c/7a0cf2b2497c757c3cb1286eddf2986abb0d387b
- https://git.kernel.org/stable/c/b85e5c310382803d27adf6fe6554d4208bc8951c
- https://git.kernel.org/stable/c/c311f17c261fd375ddf5755f2ebe1f022c19c5b0