Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Fixed a potential null-ptr-deref in drmvblankDestroyWorker. The call to drmvblankinit includes drmMaddactionorreset, with drmvblankinitRelease as the action. If drmMaddaction fails, it will directly call...

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

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: possible buffer overflow. The buffer ‘afmtstatus’, which is sized 6, could overflow, as the index ‘afmtidx’ is checked after access...

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/nouveau: prime: fix refcount underflow Calling nouveauboref on a nouveaubo without initializing it and thus the backing ttmbo leads to a refcount underflow. Instead of calling nouveauboref in the unwind path of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: nvdec: Fix for the dmaalloccoherent error check A check has been added to prevent a NULL return value from occurring when using dmaalloccoherent. This change follows Robin’s fix for the vic.c file in drm/tegra: vic: Fi...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp4: Fixed a refcount leak in mdp4modesetinitintf. In the function ofgraphgetremotenode, the remote device node pointer is returned with the refcount incremented. We should use ofnodeput on it when it is no longer needed...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the issue of unexpected dereferencing of the hive. Check whether the amdgpuhiveinfo hive might be NULL...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtkdrmcrtc: Added checks for devmkcalloc. Since devmkcalloc may return NULL, the return value needs to be checked to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Added a call to putpid. Added a call to putpid corresponding to gettaskpid. host1xmemorycontextalloc does not take ownership of the PID, so we need to free it here to avoid leaks. [email protected]: reword commit...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null pointer checking is performed before dereferencing se. WHAT & HOW The variable se is previously checked for being a null pointer in the same function. This means it might be null; therefore, it must be check...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau/kms/nv50-: fixed the file release memory leak. When using singleopen to open a device, singlerelease should be called. Otherwise, the “op” that was allocated in singleopen will be leaked...

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

In the Linux kernel, the following vulnerability has been resolved: drm/arm/malidp: fixed a possible null pointer dereferencing issue. In malidpmwconnectorreset, new memory is allocated using kzalloc, but no checks are performed. To prevent null pointer dereferencings, ensure that mwstate is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handling of a null streamstatus in the planeschangedforexistingstream function. This commit adds a null check for streamstatus in the function planeschangedforexistingstream. Previously, the code assumed that...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/stm: Avoid use-after-free issues with crtc and plane The function ltdcload calls the functions drmcrtcinitwithplanes, drmuniversalplaneinit, and drmencoderinit. These functions should not be called with parameters allocate...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi – fixed an issue to avoid directly dereferencing the user pointer. In vidiconnectionioctl, vidi-ediduser pointer is directly dereferenced in the kernel. This allows arbitrary kernel memory access from the user...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential null dereference in dmresume Why Fixed the match error: The dmresume error: We previously assumed that ‘aconnector-dclink’ could be null. How Checked whether dclink is null at the beginning of t...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, leading to a NULL pointer dereferencing issue. Patchwork:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/omap: dss: Fixed refcount leak issues In dssinitports and dssuninitports, we should call ofnodeput for the reference returned by ofgraphgetportbyid in the fail path or when it is no longer needed...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/fence: Fixed an oops due to incorrect initialization of drmsched before its fini. Currently, amdgpu calls drmschedfini from the fence driver’s fini routine. Such a call is expected to occur only after the respective in...