Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: wifi: wil6210: debugfs: Fixed an issue where information was leaked during the wilwritefilewmi function. The simplewritetobuffer function will succeed if even a single byte is initialized. However, we need to initialize the entir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed additional out-of-bounds writes from debugfs. CVE-2021-42327 was fixed with the following commit: f23750b5b3d98653b31d4469592935ef6364ad67 Author: Thelford Williams Date: Wed Oct 13 16:04:13 2021 -0400 drm/amdgp...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: trace/blktrace: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also call dput, otherwise a memory leak will occur over time. To simplify things, simply call debugfslookupandremove, whi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: ISO: Fixed multiple calls to isoinit when debugfs is disabled. If bt DebugFS is not created successfully—which occurs if CONFIGDEBUGFS or CONFIGDEBUGFSALLOWALL is not set—then isoinit returns early without setting...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: lpc32xxudc – a memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must be processed with dput, otherwise a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: The pointer to debugfsdir is set to NULL after removing debugfs. If init debugfs fails during device registration due to a memory allocation failure, the function debugfsremoverecursive is called. However, debugfsd...

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: usb: typec: fixed a potential out-of-bounds error in ucsiccgupdatesetnewcamcmd The "cmd" variable can be controlled by the user via debugfs. This means that "newcam" can be as high as 255, while the size of the uc-updated array i...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: misc: vmwballoon: A memory leak has been fixed by using debugfslookup. When calling debugfslookup, the result must have dput called upon it; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: Fix for the debugfs directory leak The ULPI per-device debugfs root is named after the parent of the ulpi device. However, ulpiunregisterinterface attempts to remove a debugfs directory named after the ulpi device...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gvt: fixed the issue where gvt debugfs destruction occurred unexpectedly. When gvt debugfs is destroyed, it is necessary to perform a check to ensure that the DRM minor’s debugfs root is still available. Otherwise, in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: fixed a memory leak caused by using debugfslookup. When calling debugfslookup, the result must be processed with dput, otherwise memory leaks will occur over time. To simplify things, simply call debugfslookupandremove, whic...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: qedi: Fix crash while reading debugfs attribute The qedidbgdonotrecovercmdread function invokes sprintf directly on a user pointer, which results into the crash. To fix this issue, use a small local stack buffer for sprintf...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Staging: greybus: audiohelper: Remove unused and incorrect usage of debugfs. In the greybus audiohelper code, the debugfs file related to dapm has the potential to be removed, and memory may be leaked. There is also a high...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers: base: dd: A memory leak has been fixed when using debugfslookup. When calling debugfslookup, the result must also call dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Create the debugfs ttmresourcemanager entry only if needed The driver creates /sys/kernel/debug/dri/0/mobttm even when the corresponding ttmresourcemanager is not allocated. This leads to a crash when trying to read...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent buffer overflow crashes in debugfs due to malformed user input. Malformed user input to debugfs can lead to buffer overflow crashes. It is necessary to adjust the length of the input string to fit within the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fixed a memory leak when using debugfslookup. When calling debugfslookup, the result must have dput called upon it; otherwise, memory will leak over time. This issue was addressed by properly calling dput...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/q54sj108a2 Fixed a stack overflow issue in the debugfs read operation. The q54sj108a2debugfsread function suffers from a stack buffer overflow due to incorrect arguments being passed to bin2hex. Currently, the functi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mac80211: Fixed an underflow in staticbranchdec for aqldisable. syzbot reported an underflow in staticbranchdec in aqlenablewrite. 0 The issue arises because aqlenablewrite does not serialize concurrent write operations ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in i40edbgdumpdesc. When attempting to dump VFs using debugfs, a crash occurred due to NULL pointer dereferencing in i40edbgdumpdesc. A check was added to i40edbgdumpdesc to ensure that the...