Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix memleak in iiodeviceregistersysfs When iiodeviceregistersysfsgroup fails, we should free iiodevopaque-chanattrgroup.attrs to prevent potential memleak...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs: Fixed a use-after-free in the cleanup process for path file creation. In the error path of rtrssrvcreatepathfiles, the sysfs root folders may have already been created, and svrpath-kobj may already have been initialize...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure When the setup of DAMON’s sysfs directory fails after the setup of attrs/, subdirectories of attrs/ directory are not cleaned up. As a result, DAMON’s sysfs...

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: atm: The atmdevmutex is released after removing procfs in atmdevderegister. syzbot reported a warning during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicate device throu...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: trigger: sysfs: fix a possible memory leak in iiosysfsTrigInit The devsetname function allocates memory for the device name. This memory needs to be freed when deviceadd fails. In such cases, putdevice is called to release t...

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: USB: core: Fixed a deadlock in the usbdeauthorizeinterface function. Among the attribute file callback routines in drivers/usb/core/sysfs.c, the interfaceauthorizedstore function is the only one that acquires a device lock on an...

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: Media: ts2020: Fix for nullptrderef in ts2020probe KASAN reported a nullptrderef issue when executing the following command: bash echo ts2020 0x20 /sys/bus/i2c/devices/i2c-0/newdevice KASAN: Nullptrderef in range...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: virmidi – Check card index validity at probe The virmidi driver blindly trusts that the given devptr-id value is within the appropriate card index range during the probe phase. It’s fine for the devices created by the drive...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: sysfs: Prevent division by zero This issue prevents division by zero when monitoring is not enabled...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: dell-wmi-sysman: Fixed the retrieval of WMI data blocks in sysfs callbacks. After retrieving WMI data blocks through sysfs callbacks, it is necessary to check the validity of these data blocks before dereferencing...

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

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: coretemp Simplified platform device handling Coretemp’s platform driver is unconventional. All the actual processing is performed globally by the initcall and CPU hotplug notifiers. The “driver” essentially just wraps t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cpufreq: The completion function is called before kobjectinitandadd. In cpufreqpolicyalloc, the uninitialized completion function is called in cpufreqsysfsrelease when kobjectinitandadd fails. This will cause a crash, such as a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: dummy: Check card index validity at probe The snddummyprobe function blindly trusts that the given devptr-id value is within the proper card index range. It’s fine for the devices created by the driver during the module pro...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: speakup: keyhelp: The guard-letteroffsets might result in out-of-range indexing. helpinit constructs the letteroffsets array by using the first byte of each function name as an index through start & 31 - 1. If function names a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hwmon: lm90 Only report alarms if the driver is ready. The user space can read sysfs attributes before the driver registration is complete, immediately after the devmhwmondeviceregisterwithinfo function is called. At that time,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Check the validity of the card index during the probe. The aloop driver blindly trusts that the given devptr-id value is within the correct card index range during the probe. It’s fine for the devices created by the...

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: ptp: Ensure that info-enable callback is always set. The ioctl and sysfs handlers call the -enable callback unconditionally. Not all drivers implement this callback, resulting in NULL dereferencing. Examples of affected drivers:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock The deletion of the last rule referencing a specific idletimer may occur at the same time as reading its file in sysfs:...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: Registering sysfs groups through the driver core. The driver core can already register and clean up sysfs groups. Make use of this functionality to simplify error handling and cleanup processes. Additionally, a UAF...