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 are finished 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 release...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - net: dsa: felix: do not use devres for mdiobus. As explained in the commits: - 74b6d7d13307: “net: dsa: realtek: register the MDIO bus using devres”. - 5135e96a3dd2: “net: dsa: do not allocate the slavemiibus using devres”...

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: arc: fixed the device for dmamapsingle/dmaunmapsingle ndev-dev and pdev-dev are not the same device; use ndev-dev.parent, which has dmamask. ndev-dev.parent is simply pdev-dev. Otherwise, the following issue will occur:...

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: The mcbausb driver lacks the implementation of netdeviceops-ndochangemtu, which prevents buffer overflows. Sending a PFPACKET message allows bypassing the CAN driver’s logic and directly reaching the xmit function. The only check...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: accel: mma8452: use the correct logic to get mma8452data. The original logic for getting mma8452data is incorrect. The dev points to the device belonging to iiodev. We cannot use this dev to find the correct i2cclient. The...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: coresight: Properly clear the connection field. The coresight devices track their connections output connections and hold a reference to the fwnode. When a device goes away, we iterate through the devices on the coresight bus and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - clk: tegra20: Fixed a refcount leak in tegra20clockinit. - offindmatchingnode returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. - Added the missing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: A possible memory leak in mISDNregisterdevice has been fixed. After committing 1fa5ae857bb1 "driver core: get rid of struct device’s busid string array", the name of the device is allocated dynamically. The putdevice...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice will increase the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mt76: Do not run mt76ustatusworker if the device is not running. Fixed the issue of NULL pointer dereferencing, preventing the mt76ustatusworker thread from being executed if the device is not running yet. KASAN:...

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 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tun: avoided double-free in tunfreenetdev Avoid double-free in tunfreenetdev by moving the dev-tstats and tun-security allocations to a new ndoinit routine tunnetinit, which will be called by registernetdevice. ndoinit is paired...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: chipidea: cihdrcimx: Also search for ‘phys’ handle. When passing ‘phys’ in the device tree to describe the USB PHY handle which is the recommended approach according to Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Handle errors from amdgpucgscreatedevice in amdpowerplaycreate. Add error handling to propagate the failures of amdgpucgscreatedevice to the caller. When amdgpucgscreatedevice fails, release hwmgr and return -ENOMEM t...

Astra Linux – Vulnerability in Linux

In the file drivers/pci/hotplug/rpadlpar/sysfs.c within the Linux kernel up to version 5.11.8, the RPA PCI Hotplug driver suffers a user-tolerable buffer overflow when writing a new device name to the driver from user space. This allows user space to write data directly to the kernel stack frame...

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: blk-cgroup: Fixed the issue where the refcount of the subsystem for the @blockclass class was leaking. The blkcgfillrootiostats function iterates over the devices belonging to the @blockclass class using classdeviterinit|next...

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: netfilter: nfqueue: The pin bridge device is used while NFQUEUE holds a fake dst. The brnetfilter fake rtable is embedded in the struct netbridge and is attached to bridged packets using skbdstsetnoref. If such a packet is queued...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - can: bcm: added a missing device reference count for CAN filter removal sashiko-bot noted a problem with concurrent device unregistration in isotp.c, which also exists in the bcm.c code. An earlier fix for raw.c commit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i2c: tegra: check msg length in SMBUS block read For SMBUS block read, do not continue reading if the message length passed from the device is ‘0’ or greater than the maximum allowed bytes...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: dm: fixed a NULL pointer race issue when completing IO operations. The dmiodecpending call first calls endioacct, then decreases the number of pending DMA operations. However, if a task swaps the DM table at the same time, thi...