CVE-2026-99011
kernel: Bluetooth: SCO: serialise sco_conn lifetime against sco_recv_scodata()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 23, 2026
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's Bluetooth subsystem. A race condition between connection termination and incoming data handling in the Synchronous Connection-Oriented (SCO) protocol can lead to a use-after-free condition. An attacker within Bluetooth range or a local user could exploit this timing issue during active communication to cause a Denial of Service (DoS) through a system crash or potentially execute arbitrary code.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference