CVE-2026-72121

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking when updating filter and timer values KCSAN detected a simultaneous access to timer values that can be overwritten in bcmrxsetup when updating timer and filter content while bcmrxhandler, bcmrxtimeouthandler...

CVE-2026-72117

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix data race on rxstamp/rxifindex in bcmrxhandler For an rx op subscribed on all interfaces ifindex == 0, the same op is registered once in the shared per-netns wildcard filter list, so bcmrxhandler can run concurrentl...

UBUNTU-CVE-2026-72116

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix stale rx/tx ops after device removal RX: an RXSETUP update! for an existing op skipped canrxregister unconditionally, even when a concurrent NETDEVUNREGISTER had already torn down its registration op-rxregdev == NUL...

CVE-2026-72123 can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...

CVE-2026-72121

CVE-2026-72121 describes a Linux kernel CAN subsystem vulnerability in which KCSAN detected a race condition updating timer and filter state during CAN message handling. The fix introduces a per-operation bcm_rx_update_lock to serialize updates to timer values (ival1/ival2/kt_ival1/kt_ival2/kt_la...

EUVD-2026-58879

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking when updating filter and timer values KCSAN detected a simultaneous access to timer values that can be overwritten in bcmrxsetup when updating timer and filter content while bcmrxhandler, bcmrxtimeouthandler...

Linux Distros Unpatched Vulnerability : CVE-2026-72123

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 can: bcm: use callrcu instead of costly synchronizercu replaced...

PT-2026-72310

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking when updating filter and timer values KCSAN detected a simultaneous access to timer values that can be overwritten in bcm rx setup when updating timer and filter content while bcm rx handler, bcm rx timeout...

PT-2026-72304

In the Linux kernel, the following vulnerability has been resolved: can: bcm: track a single source interface for ANYDEV timeout/throttle ops An ANYDEV rx op ifindex == 0 with an active RX timeout and/or throttle timer has no defined semantics when matching frames arrive from several interfaces:...

PT-2026-72311

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix lockless bound/ifindex race and silent RX SETUP failure bcm sendmsg reads bo-ifindex and checks bo-bound before taking lock sock, while bcm notify, bcm connect and bcm release all mutate both fields under that same...

CVE-2023-53344

In CVE-2023-53344, the Linux kernel patch addresses a KMSAN uninitialized-value issue in bcm_tx_setup triggered by uninitialized memory during aio_write handling after a memcpy_from_msg call. The vulnerability chain involves can/bcm code allocating an op frame and copying data, with a comparison ...

UBUNTU-CVE-2025-38004

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking for bcmop runtime updates The CAN broadcast manager CAN BCM can send a sequence of CAN frames via hrtimer. The content and also the length of the sequence can be changed resp reduced at runtime where the...