CVE-2026-45835
kernel: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 26, 2026
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's Bluetooth L2CAP (Logical Link Control and Adaptation Protocol) component. A missing null pointer check in the l2cap_sock_new_connection_cb() function could allow a remote attacker to trigger a null-pointer dereference. This vulnerability can lead to a system crash, resulting in a Denial of Service (DoS).
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference