Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: fixed a use-after-free in amdgpuuserqsuspend+0x51a/0x5a0 +0.000020 BUG: KASAN: slab-use-after-free in amdgpuuserqsuspend+0x51a/0x5a0 amdgpu +0.000817 Read of size 8 at address ffff88812eec8c58 by task...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: the warning dereferencing obj for nbiov74 If rasmanager obj is null, do not print the NBIO error data...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed potential null pointer dereference issues. The amdgpurasgetcontext function may return NULL if the device does not support the RAS feature; therefore, a check must be performed before using this function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu/powerplay/psm: A memory leak was fixed in the power state initialization process. The commit 902bc65de0b3 „drm/amdgpu/powerplay/psm: Return an error in power state init“ ensured that the power state initialization...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Avoid using a null object of the framebuffer. Instead of directly using state-fb-obj0, obtain the object from the framebuffer by calling drmgemfbgetobj. Return an error code when the object is null to avoid using a nu...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the issue where reading ucode could lead to out-of-bounds access warnings...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the warning about out-of-bounds read of mcdata...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed the out-of-bounds write warning. Check the ring type value to address the out-of-bounds write warning...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check for the ‘afb’ variable in the amdgpudmplanehandlecursorupdate function v2. This commit moves the null check for the ‘afb’ variable to the line where it is actually used in the...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: A missing size check was added in amdgpudebugfsgprwaveread. This prevents a possible buffer overflow if the size exceeds 4K. Chery picked from the commit f5d873f5825b40d886d03bd2aede91d4cf002434...

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: drm/amdgpu: Set the correct AMDGPU sg segment limitation. The driver needs to set the correct maxsegmentsize; otherwise, debugdmamapsg will complain about the over-mapping of the AMDGPU sg length as follows: WARNING: CPU: 6 PID:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Abrupt exit when failing to load firmware in pspinitcapmicrocode. In the function pspinitcapmicrocode, an abrupt exit should occur when attempting to load firmware fails; otherwise, it may lead to invalid memory acces...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: amdkfd: The gangctxbo memory object is properly freed when attempting to initialize the user queue. The destructor of the gtt bo is declared as: void amdgpuamdkfdfreegttmemstruct amdgpudevice adev, void memobj; This function take...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix slab-use-after-free in hdcp The HDCP code in amdgpudmhdcp.c copies pointers to amdgpudmconnector objects without incrementing the kref reference counts. When using a USB-C dock, and the dock is unplugged, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed an invalid context error in the dml helper. Why “BUG: Sleeping function called from invalid context” error. After: drm/amd/display: Protection was added for the FPU in dml2validate/dml21validate. The...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed a use-after-free issue. It seems that we forgot to set ttm-sg to NULL. This caused a panic. 1235.844104 General protection fault, likely for a non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 1 SMP DEBUGPAGEALLOC...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: Commands with 0 chunks result in illegal behavior. Submitting a CS with 0 chunks causes an oops; this issue was discovered while attempting to execute the wrong user space driver. MESALOADERDRIVEROVERRIDE=v3d glxin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a deadlock issue during reading mqd from debugfs An erroneous disk backup on my desktop entered the debugfs directory, triggering the following deadlock scenario in the amdgpu debugfs files. The machine also...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fixed a NULL pointer dereference in amdgpudmi2cxfer. When ddcserviceconstruct is called, it explicitly checks both the link type and whether there is something on the link that will determine whether the pin is...