Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: slimbus: qcom-ngd-ctrl: Register callbacks after creating the ngd When the remoteproc starts in parallel with the NGD driver being probed, or the remoteproc is already up when the PDR lookup is being registered, or in the...

SLIMbus Driver DoS

The vulnerability in the qcomslimngdctrlprobe function within the drivers/slimbus/qcom-ngd-ctrl.c file of the SLIMbus driver for the Linux kernel system is related to access to an uninitialized pointer. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

SLIMbus Driver DoS

The vulnerability in the qcomslimngdssrpdrnotify function within the drivers/slimbus/qcom-ngd-ctrl.c file of the SLIMbus driver for the Linux kernel system is related to mutual lock acquisition. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

CVE-2026-53331

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Avoid ABBA on txlock/ctrl-lock During the SSR/PDR down notification the txlock is taken with the intent to provide synchronization with active DMA transfers. But during this period qcomslimngddown is...

UBUNTU-CVE-2026-53331

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Avoid ABBA on txlock/ctrl-lock During the SSR/PDR down notification the txlock is taken with the intent to provide synchronization with active DMA transfers. But during this period qcomslimngddown is...

CVE-2026-53331

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Avoid ABBA on txlock/ctrl-lock During the SSR/PDR down notification the txlock is taken with the intent to provide synchronization with active DMA transfers. But during this period qcomslimngddown is...

CVE-2026-53331

CVE-2026-53331 is a Linux kernel vulnerability in the slimbus subsystem (qcom-ngd-ctrl) caused by inverted lock acquisition order between the slim_controller lock and tx_lock during SSR/PDR down notification, risking a deadlock and lockdep splats. The advisory notes this was resolved by stopping ...

CVE-2026-53331: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Avoid ABBA on txlock/ctrl-lock During the SSR/PDR down notification the txlock is taken with the intent to provide synchronization with active DMA transfers. But during this period qcomslimngddown is...

CVE-2026-53332: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Register callbacks after creating the ngd When the remoteproc starts in parallel with the NGD driver being probed, or the remoteproc is already up when the PDR lookup is being registered, or in the...