Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

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Fedora 43 : webkitgtk (2026-ec8e535c6e)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ec8e535c6e advisory. Fire scrollend event for instant programmatic scrolls. Increase network idle connection timeout to 115 seconds. Fix several crashes and rendering...

SUSE CVE-2026-64333

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

SUSE CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

SUSE CVE-2026-64434

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

AZL-93545 CVE-2026-64434 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64333

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

UBUNTU-CVE-2026-64333

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64333

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

UBUNTU-CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

UBUNTU-CVE-2026-64434

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434

The provided reports (Linux kernel CVE-2026-64434) detail a use-after-free in Bluetooth L2CAP channel timeout (l2cap_chan_timeout) where chan->conn could be freed while a timer is pending. The effective fix is to have the channel hold a reference to the associated l2cap_conn (via l2cap_conn_ge...

CVE-2026-64434 Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

EUVD-2026-48778

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434 Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...

CVE-2026-64434

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading t...