Improper update of reference count in Linux kernel - CVE-2026-98293
Published: October 7, 2026
Vulnerability identifier: #VU153733
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98293
CWE-ID: CWE-911
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a parent socket resource leak.
The vulnerability exists due to failure to release a parent socket reference in the Bluetooth ISO iso_conn_ready() function when child socket allocation fails. A local user can exercise the affected connection handling error path to cause a parent socket resource leak.
Affected software
Linux kernel
Debian Linux
linux (Debian package)
Debian Linux
linux (Debian package)
How to mitigate CVE-2026-98293
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
linux (Debian package) - update to 6.12.113-1
linux (Debian package) - update to 6.12.113-1
External References
- https://git.kernel.org/stable/c/9228f87365e68a6cae191f57f456e89a6d2167cf
- https://git.kernel.org/stable/c/ca18ee413a7cb6f09885778039225e58bae0d607
- https://git.kernel.org/stable/c/e2b156a8d25966be49c1f809b654a2c4bb16564d
- https://git.kernel.org/stable/c/ea8a262662be62c095789924c11722ecbf40a4de
- https://git.kernel.org/stable/c/f016daabd4fec4e9b8563f8b6f42eabce0ca66b0