Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The can: mcp251x device has a bug where a deadlock can occur in the error path of the mcp251xopen function. The mcp251xopen function calls freeirq in its error path, with the mpclock mutex being held. However, if an interrupt has...

CVE-2026-23357

A flaw was found in the Linux kernel's mcp251x Controller Area Network CAN driver. A local attacker could trigger a deadlock condition within the mcp251xopen function's error handling path. This occurs when the freeirq function is called while the mpclock mutex is held and an interrupt...

can: mcp251x: fix deadlock in error path of mcp251x_open

...

SUSE CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

EUVD-2026-15332

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

AZL-80685 CVE-2026-23357 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

UBUNTU-CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

CVE-2026-23357

CVE-2026-23357 affects the Linux kernel can/mcp251x driver. The deadlock occurred when free_irq() was called in the error path of mcp251x_open while mpc_lock was still held, potentially waiting for an IRQ handler. The fix moves free_irq() to after releasing the lock, and sets priv->force_quit ...

CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

CVE-2026-23357 can: mcp251x: fix deadlock in error path of mcp251x_open

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

CVE-2026-23357

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

Linux Distros Unpatched Vulnerability : CVE-2026-23357

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt...

CVE-2026-23357: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251xopen The mcp251xopen function call freeirq in its error path with the mpclock mutex held. But if an interrupt already occurred the interrupt handler will be waiting for the mpclo...

PT-2026-27722

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s mcp251x open function related to a potential deadlock situation. Specifically, the function calls free irq while holding the mpc lock mutex. If an...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-424047)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-424047 advisory. In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock if an interrupt occurs during mcp251xopen The mcp251xhwwake function i...

Linux Distros Unpatched Vulnerability : CVE-2021-46994

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix resume from sleep before interface was brought up Since 8ce8c0abcba3 the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The mcp251x device has a issue where a deadlock can occur if an interrupt occurs during the mcp251xopen function. The mcp251xhwwake function is called with the mpclock mutex held, and the interrupt handler is disabled so that no...

The vulnerability of the mcp251x component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the mcp251x component in the Linux operating system’s kernel is related to incorrect resource locking. Exploiting this vulnerability can allow an attacker to cause a service failure...