Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: stm32 – Fixed a refcount leak in stm32pctrlgetirqdomain. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer necessary. Add the missing...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: misc: pciendpointtest: Free IRQs before removing the device. In the pciendpointtestremove function, freeing the IRQs after removing the device creates a small race window during the test process. This allows IRQs to be received b...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: remoteproc: sysmon: fix memory leak in qcomaddsysmonsubdev The kfree function should be called when ofirqgetbyname fails or devmrequestthreadedirq fails in qcomaddsysmonsubdev. Otherwise, a memory leak will occur; therefore, addi...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Ensuring that pending IRQ work is processed before freeing the ring buffer. A race condition was addressed in this fix, where irqwork could be queued in bpfringbufcommit, but the ring buffer was freed before the work execute...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fixed a potential use-after-free issue in irqprocessworklist. The listforeachentry Safe function was used to allow iterating through the list and deleting entries during the iteration process. The descriptors are...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: genirq/cpuhotplug, x86/vector: Prevents vector leaks during CPU offline states. The absence of IRQDMOVEPCNTXT prevents immediate effectiveness of interrupt affinity reconfiguration via procfs. Instead, the change is deferred unti...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/lima: The mask for IRQs is set in the timeout path before a hard reset. There is a race condition in which a rendering job may take just long enough to trigger the timeout handler for the DRM sched job, but it still completes...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vhostvdpa: The irqbypassunregisterproducer function must correctly assign the token. Previously, we used irqbypassunregisterproducer in vhostvdpasetupvqirq, which was problematic because we had no way of knowing whether the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: s390/entry: Mark IRQ entries to fix stack depot warnings The stack depot filters out everything outside of the top interrupt context as an uninteresting or irrelevant part of the stack traces. This helps with stack trace...

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

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Fixed sleeping in atomic context due to regmap locking If a device uses the MCP23xxx IO expander to receive IRQs, the following bug can occur: BUG: Sleeping function called from invalid context at...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fixed a crash that occurs during unbinding if the gpio unit is in use. We used the wrong device for the functions that manage devices. We used the usb device, when we should have used the interface device. If we...

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

In the Linux kernel, the following vulnerability has been resolved: i2c: npcm: Disable the interrupt enable bit before calling devmrequestirq The customer reports a soft lockup issue related to the i2c driver. After checking, it was found that the i2c module was performing a transmission operatio...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: lib: cpurmap: Avoid using the function after freeing entries in the rmap-obj array. When calling irqsetaffinitynotifier with NULL as the notify argument, it will cause the glue pointer in the corresponding array entry to be freed...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iommu/vt-d: Fixed a potential memory leak in intelsetupirqremapping. After committing e3beca48a45b “irqdomain/treewide: Keeps the firmware node unconditionally allocated”. For the tear-down scenario, the fn variable is only...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: iio: trigger: sysfs: fix use-after-free on remove Ensure that the irqwork has completed before the trigger is freed. ================================================================== BUG: KASAN: use-after-free in irqworkrunli...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/irdma: Fixed the KASAN issue related to tasklets. KASAN testing revealed the following issue related to the deletion of an IRQ. 50006.466686 Call Trace: 50006.466691 50006.489538 dumpstack+0x5c/0x80 50006.493475...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/iucv: Fixed the size of interrupt data iucvirqdata needs to be 4 bytes larger. These bytes are not used by the iucv module, but are written by the z/VM hypervisor in case a CPU is deconfigured. Reported as: BUG...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid memory allocation in iommususpend. The iommususpend system call’s suspend callback is invoked with IRQs disabled.allocating memory with the GFPKERNEL flag may re-enable IRQs during the suspend callback, which ca...

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

In the Linux kernel, the following vulnerabilities have been resolved: xen/events: The close evtchn operation is performed after mapping cleanup is completed. shutdownpirq and startuppirq do not take the irqmappingupdatelock, as they cannot do so due to lock inversion. Both functions are called...

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

In the Linux kernel, the following vulnerability has been resolved: serial/pmaczilog: The flawed mitigation for rx irq flood has been removed. The mitigation was intended to completely stop the irq. This might be better than a hard lock-up, but it turns out that a crash still occurs if pmaczilog ...