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

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: free rxdatareassemblyskb on NCI device cleanup rxdatareassemblyskb is stored during NCI data exchange for processing fragmented packets. It is dropped only when the last fragment is processed, or when an NTF packet with...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Media: v4l: async: Fixed a NULL pointer dereferencing issue in the process of creating auxiliary links. In v4l2asynccreateancillarylinks, auxiliary links are created for lens and flash sub-devices. These are links between...

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

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/hisi: The second sensor, hi3660, was removed. The commit 74c8e6bffbe1 “driver core: Add allocsize hint to devm allocators” exposes a panic “BRK handler: Fatal exception” during the hi3660thermalprobe function. Thi...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: hns: Fixed a possible memory leak in hnaeaeregister. When a fault is injected while probing a module, if deviceregister fails, but the refcount of the kobject is not decreased to 0, the name allocated in devsetname may be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix NULL-pointer dereferences There are several situations in which the kernel can crash when requests are made to unbind the GPIO device and then system calls related to the GPIO character device’s anonymous file...

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: PCI: pnvphp: Clean up allocated IRQs on unplug When the root of a nested PCIe bridge configuration is unplugged, the pnvphp driver leaks the allocated IRQ resources for the child bridges’ hotplug event notifications, resulting in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gve: Prevent ethtool operations after shutdown A crash can occur if an ethtool operation is invoked after the shutdown function is called. shutdown is invoked during system shutdown to stop DMA operations without performing...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: adv7511: Unregistering the i2c device after unregistering the CEC adapter. The cecunregisteradapter function assumes that the underlying CEC adapter is callable. For example, if the CEC adapter currently has a valid...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcildisc,serdev: failure in checking percpuinitrwsem syzbot reports a NULL pointer dereferencing at hciuartttyclose 1. For rcusyncenter, percpuinitrwsem is called without rcusyncinit, because hciuartttyopen ignores...

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

In the Linux kernel, the following vulnerability has been resolved: virtio-mmio: Do not break the lifecycle of vmdev. vmdev has a separate lifecycle because it has a struct device embedded within it. Therefore, having a release callback for it is correct. However, allocating the vmdev structure...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: rt711-sdca – fixed a situation where the kernel’s NULL pointer was dereferenced due to an IO error. The initial settings will be written before the codec probe function is called. However, the rt711-component has not yet be...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fixed the issue with mlx5ibgethwstats when used for devices. Currently, when mlx5ibgethwstats is used for a device where portnum = 0, there is a special handling to ensure that the correct counters are used. However,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cxl: fixed a possible null-ptr-deref in cxlPCIinitafu|adapter. If deviceRegister fails in cxlPCIafu|adapter, the device is not added. In this case, deviceUnregister cannot be called in the error path; otherwise, a null-ptr-deref...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: Wait until all skuserdata readers complete before releasing the sock. There is a race condition in vxlan where, when deleting a vxlan device during packet reception, there is a possibility that the sock is released...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: r6040: Fixed the kmemleak in the probe process and removed it. There is a memory leak reported by kmemleak: - Unreferenced object 0xffff888116111000 size 2048: comm “modprobe”, pid 817, jiffies 4294759745 age 76.502s Hex dump...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Driver Core: Fixed a resource leak in deviceadd. When kobjectadd fails in deviceadd, it will call cleanupgluedir to free resources. However, in kobjectadd, dev-kobj.parent has been set to NULL. This will cause a resource leak. Th...

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: net: usb: cdc-phonet: A fix was made to prevent overflow of the skbsharedinfo-frags array when processing rxcomplete calls. A malicious USB device that claims to be a CDC Phonet modem can cause an overflow by sending an unbounded...

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: fbdev: core: fbcvt: avoid division by 0 in fbcvthperiod In fbfindmodecvt, if mode-refresh happens to be 0x80000000, cvt.frefresh will become 0 when multiplied by 2 due to overflow. This value is then passed to fbcvthperiod, where...

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: HID: core: Do not bypass hidhwrawrequest The hidhwrawrequest function is actually useful for ensuring that the provided buffer and length are valid. Directly calling this function in the low-level transport driver bypassed those...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: PM: core: keep irq flags in devicepmcheckcallbacks The function devicepmcheckcallbacks can be called under the spin lock in the reported case, it happens from genpdadddevice - devpmdomainset, when the genpd uses spinlocks rather...