CVE-2026-93086 firmware: arm_scmi: Avoid IDR updates while cleaning channels

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Avoid IDR updates while cleaning channels scmicleanupchannels walks the TX/RX channel IDRs with idrforeach to free transport resources and destroy the dedicated transport devices before calling idrdestroy. The...

EUVD-2026-82195

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Reject out of range DT protocol IDs SCMI protocol IDs carried in message headers are limited by MSGPROTOCOLIDMASK. The DT parsing paths noticed protocol IDs outside that range, but only logged an error and then...

CVE-2026-93085 firmware: arm_scmi: Reject out of range DT protocol IDs

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Reject out of range DT protocol IDs SCMI protocol IDs carried in message headers are limited by MSGPROTOCOLIDMASK. The DT parsing paths noticed protocol IDs outside that range, but only logged an error and then...

CVE-2026-93085

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Reject out of range DT protocol IDs SCMI protocol IDs carried in message headers are limited by MSGPROTOCOLIDMASK. The DT parsing paths noticed protocol IDs outside that range, but only logged an error and then...

CVE-2026-93085

CVE-2026-93085 affects the Linux kernel arm_scmi firmware driver . The Device Tree parsing paths accepted SCMI protocol IDs outside the valid range defined by MSG_PROTOCOL_ID_MASK , logging an error but continuing to process the invalid value. A malformed 32-bit DT reg value could reach helpers e...

EUVD-2026-82194

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Drop handle on protocol bind failures The SCMI bus notifier acquires an SCMI handle when the driver core emits BUSNOTIFYBINDDRIVER, before invoking the protocol driver probe callback. The protocol probe path on...

CVE-2026-93084 firmware: arm_scmi: Drop handle on protocol bind failures

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Drop handle on protocol bind failures The SCMI bus notifier acquires an SCMI handle when the driver core emits BUSNOTIFYBINDDRIVER, before invoking the protocol driver probe callback. The protocol probe path on...

CVE-2026-93084

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Drop handle on protocol bind failures The SCMI bus notifier acquires an SCMI handle when the driver core emits BUSNOTIFYBINDDRIVER, before invoking the protocol driver probe callback. The protocol probe path on...

CVE-2026-93084

CVE-2026-93084 affects the ARM SCMI (System Control and Management Interface) firmware driver in the Linux kernel . The SCMI bus notifier acquires a handle on BUS_NOTIFY_BIND_DRIVER but only releases it on BUS_NOTIFY_UNBOUND_DRIVER . When device_link_add() fails, the handle is retained without a ...

CVE-2026-93082 firmware: arm_scmi: Unwind P2A receiver mailbox setup failure

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind P2A receiver mailbox setup failure mailboxchansetup can request an additional P2A receiver channel after successfully acquiring the primary P2A channel. If that later request fails, the function returns...

CVE-2026-93083 firmware: arm_scmi: Unwind TX receiver mailbox setup failure

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind TX receiver mailbox setup failure mailboxchansetup can request an additional unidirectional TX receiver channel after successfully acquiring the primary channel. If that second request fails, the functio...

CVE-2026-93082 firmware: arm_scmi: Unwind P2A receiver mailbox setup failure

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind P2A receiver mailbox setup failure mailboxchansetup can request an additional P2A receiver channel after successfully acquiring the primary P2A channel. If that later request fails, the function returns...

CVE-2026-93083 firmware: arm_scmi: Unwind TX receiver mailbox setup failure

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind TX receiver mailbox setup failure mailboxchansetup can request an additional unidirectional TX receiver channel after successfully acquiring the primary channel. If that second request fails, the functio...

CVE-2026-93083

In the Linux kernel , the firmware: arm_scmi driver's mailbox_chan_setup() function acquires a primary mailbox channel and then requests an additional unidirectional TX receiver channel . If that second request fails, the function returns immediately without releasing the primary channel , leavin...

CVE-2026-93083

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind TX receiver mailbox setup failure mailboxchansetup can request an additional unidirectional TX receiver channel after successfully acquiring the primary channel. If that second request fails, the functio...

EUVD-2026-82193

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind TX receiver mailbox setup failure mailboxchansetup can request an additional unidirectional TX receiver channel after successfully acquiring the primary channel. If that second request fails, the functio...

EUVD-2026-82192

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind P2A receiver mailbox setup failure mailboxchansetup can request an additional P2A receiver channel after successfully acquiring the primary P2A channel. If that later request fails, the function returns...

CVE-2026-93082

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Unwind P2A receiver mailbox setup failure mailboxchansetup can request an additional P2A receiver channel after successfully acquiring the primary P2A channel. If that later request fails, the function returns...

CVE-2026-93082

CVE-2026-93082 affects the arm_scmi firmware driver in the Linux kernel . The vulnerable function is mailbox_chan_setup() , which acquires a primary P2A mailbox channel and then attempts to request an additional P2A receiver channel. If the secondary request fails, the function returns the error ...

CVE-2026-93080 firmware: arm_scmi: Fix transport device teardown lookup

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Fix transport device teardown lookup SCMI transport devices are deliberately excluded from normal SCMI bus matching so protocol drivers cannot bind to the internal transport children. However, scmidevicedestroy...