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

In the Linux kernel, the following vulnerability has been resolved: kernel/failfunction: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PM: EM: fixed a memory leak caused by using debugfslookup. When calling debugfslookup, the result must have had dput called on it; otherwise, memory will leak over time. To simplify things, simply call debugfslookupandremove, whi...

Astra Linux – Vulnerability in Linux 5.10

In the dplinksettingswrite function in the file drivers/gpu/drm/amd/display/amdgpudm/amdgpudmdebugfs.c in the Linux kernel, up to version 5.14.14, there is a vulnerability that allows for a heap-based buffer overflow by an attacker. This vulnerability arises because the attacker can write a strin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – A buffer overflow vulnerability may occur when reading coalesce info via debugfs. The hns3 driver defines an array of strings to store coalesce info. However, if the kernel introduces a new mode or state, a buffer...

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: 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 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 – 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 in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: isp1362 – 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 in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: kernel/irq/irqdomain.c: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also be processed by calling dput; otherwise, memory leaks will occur over time. To simplify things,...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent lpfcdebugfslockstatwrite buffer overflow A static code analysis tool identified the possibility of buffer overflow when using copyfromuser for a debugfs entry. Currently, it is possible that copyfromuser copie...

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 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 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 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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: Wil6210: debugfs: fixed the use of uninitialized variables in wilwritefilewmi Commit 7a4836560a61 replaces the simplewritetobuffer function with memdupuser, but it forgets to change the value returned by the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also contain a call to 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 5.15

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 5.10, 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...