CVE-2021-47019

The CVE-2021-47019 entry concerns the Linux kernel mt76/mt7921 path, where a race could lead to invalid register access after suspend when the PCIe host controller is suspended. Public details describe a fix that disables interrupts and synchronizes pending IRQ handlers to ensure the irq tasklet ...

CVE-2021-47019 mt76: mt7921: fix possible invalid register access

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible invalid register access Disable the interrupt and synchronze for the pending irq handlers to ensure the irq tasklet is not being scheduled after the suspend to avoid the possible invalid register access...

CVE-2021-47019

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible invalid register access Disable the interrupt and synchronze for the pending irq handlers to ensure the irq tasklet is not being scheduled after the suspend to avoid the possible invalid register access...

CVE-2021-47019 mt76: mt7921: fix possible invalid register access

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible invalid register access Disable the interrupt and synchronze for the pending irq handlers to ensure the irq tasklet is not being scheduled after the suspend to avoid the possible invalid register access...

kernel: wifi: mt76: connac: do not check WED status for non-mmio devices

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: 21.946627 wlp0s3u1i3: authenticate wi...

kernel: Linux kernel: Memory leak in mt76 Wi-Fi driver leads to Denial of Service

A flaw was found in the Linux kernel's mt76 Wi-Fi driver. A memory leak occurs when the mt7996mcuexit routine fails to properly clear memory queues if the mt7996firmwarestate encounters an issue. This vulnerability could allow a local attacker with low privileges to cause a Denial of Service DoS ...

kernel: mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: Fix PCI device refcount leak in mt7915pciinithif2 As comment of pcigetdevice says, it returns a pcidevice with its refcount increased. We need to call pcidevput to decrease the refcount. Save the return value of...

kernel: wifi: mt76: connac: do not check WED status for non-mmio devices

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: do not check WED status for non-mmio devices WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: 21.946627 wlp0s3u1i3: authenticate wi...

kernel: wifi: mt76: do not run mt76_unregister_device() on unregistered hw

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: do not run mt76unregisterdevice on unregistered hw Trying to probe a mt7921e pci card without firmware results in a successful probe where ieee80211registerhw hasn't been called. When removing the driver,...

kernel: Linux kernel: Memory leak in mt76 Wi-Fi driver leads to Denial of Service

A flaw was found in the Linux kernel's mt76 Wi-Fi driver. A memory leak occurs when the mt7996mcuexit routine fails to properly clear memory queues if the mt7996firmwarestate encounters an issue. This vulnerability could allow a local attacker with low privileges to cause a Denial of Service DoS ...

kernel: wifi: mt76: do not run mt76u_status_worker if the device is not running

A flaw was discovered in the Linux kernel’s mt76 Wi-Fi driver, where the mt76ustatusworker thread could be scheduled even when the underlying device was not yet in a running state. Under certain conditions, this could lead to a NULL pointer dereference in the worker routine, resulting in a kernel...

PT-2025-18850 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the wifi: mt76: connac component, where WED status is not checked for non-mmio devices. This can lead...

The vulnerability of the mt7921_check_offload_capability() function in the drivers/net/wireless/mediatek/mt76/mt7921/init.c file of the wireless device’s Linux kernel driver allows a attacker to compromise the confidentiality and accessibility of protected information.

The vulnerability of the mt7921checkoffloadcapability function in the drivers/net/wireless/mediatek/mt76/mt7921/init.c file of the wireless device mt7921 driver for the Linux operating system is related to the use of previously freed memory. Exploiting this vulnerability could allow an attacker t...

CVE-2023-3317

A use-after-free flaw was found in mt7921checkoffloadcapability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a...

CVE-2023-3317

CVE-2023-3317 is a use-after-free flaw in the Linux kernel’s MediaTek MT7921E WiFi driver (mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c). The defect can crash the system after releasing the internal memory for device features and may enable a kernel informat...

CVE-2023-3317

A use-after-free flaw was found in mt7921checkoffloadcapability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in the wifi mt76/mt7921 sub-component of the Linux Kernel. This issue could allow an attacker to crash the system after the 'features' memory releases which could lead to a kernel...

kernel: Linux kernel: Denial of Service in mt7921e driver during module unload

A flaw was discovered in the mt76/mt7921e Wi-Fi driver in the Linux kernel where improper handling of driver data during module removal can lead to a crash. Under certain insmod/rmmod stress test conditions, the driver’s mt7921pciremove function is called while the associated mt76dev driver priva...

kernel: mt76: fix use-after-free by removing a non-RCU wcid pointer

A vulnerability was found in the Linux kernel's mt76 wi-fi driver. A concurrency bug causes the mtxq TX queue to maintain a raw pointer to a wcid structure mtxq-wcid that might be freed by the time it is accessed. This issue can lead to a use-after-free scenario, leading to system instability,...

kernel: Linux kernel: Denial of Service in mt7921e driver during module unload

A flaw was discovered in the mt76/mt7921e Wi-Fi driver in the Linux kernel where improper handling of driver data during module removal can lead to a crash. Under certain insmod/rmmod stress test conditions, the driver’s mt7921pciremove function is called while the associated mt76dev driver priva...

SUSE CVE-2020-12465

An array overflow was discovered in mt76addfragment in drivers/net/wireless/mediatek/mt76/dma.c in the Linux kernel before 5.5.10, aka CID-b102f0c522cf. An oversized packet with too many rx fragments can corrupt memory of adjacent pages...