Linux Distros Unpatched Vulnerability : CVE-2026-98455

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: RFCOMM: fix NULL dereference of dlc-session in RFCOMMCONNINFO The RFCOMMCONNINFO getsockopt handler accepts a socket that is not connected as long a...

CVE-2026-98455 Bluetooth: RFCOMM: fix NULL dereference of dlc->session in RFCOMM_CONNINFO

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: fix NULL dereference of dlc-session in RFCOMMCONNINFO The RFCOMMCONNINFO getsockopt handler accepts a socket that is not connected as long as deferred setup is enabled: if sk-skstate != BTCONNECTED &&...

CVE-2026-98455

The Linux kernel contains a vulnerability in the Bluetooth RFCOMM stack where a NULL pointer dereference occurs in the RFCOMM_CONNINFO getsockopt handler. When BT_DEFER_SETUP is enabled, the dlc->defer_setup flag remains set even if the session is cleared during rfcomm_recv_disc(). Consequentl...

CVE-2026-98455 Bluetooth: RFCOMM: fix NULL dereference of dlc->session in RFCOMM_CONNINFO

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: fix NULL dereference of dlc-session in RFCOMMCONNINFO The RFCOMMCONNINFO getsockopt handler accepts a socket that is not connected as long as deferred setup is enabled: if sk-skstate != BTCONNECTED &&...

CVE-2026-98455

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: fix NULL dereference of dlc-session in RFCOMMCONNINFO The RFCOMMCONNINFO getsockopt handler accepts a socket that is not connected as long as deferred setup is enabled: if sk-skstate != BTCONNECTED &&...

Linux Kernel Security Vulnerabilities

The Linux kernel version 2.6.30 contains security vulnerabilities. These vulnerabilities stem from the RFCOMMCONNINFO getsockopt handler, which accepts unconnected sockets when enabled with a delay. After the session is cleared, it still derefreshes empty pointers, potentially leading to kernel...