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...

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...

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...

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...

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...

PT-2026-72310

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the CAN BCM module where simultaneous access to timer and filter values can occur. Specifically, bcm rx setup can overwrite values while bcm rx handler, bcm rx...

PT-2026-72311

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the CAN BCM module. The bcm sendmsg function reads the bo-ifindex variable and checks the bo-bound variable before acquiring the lock sock lock. Simultaneously...

PT-2026-72304

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the CAN BCM module where an ANYDEV rx operation where ifindex is 0 with an active RX timeout or throttle timer lacks defined semantics when matching frames arrive from...

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...

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...