Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the null check on pipectx-planestate in updatedchubpdpp. This issue is similar to commit 6a057072ddd1 “drm/amd/display: Fixed a null pointer dereference on dcn20updatedchubpdpp. It involves the same functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/ttm: Do not leak the ccs state. The kernel only manages the ccs state using lmem-only objects. However, the kernel should still take care to prevent leaking the CCS state from the previous user. Cherished from commit...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fixed a possible null-ptr-deref in vopbind. This issue could lead to a null-ptr-deref in resourcesize if platformgetresource returns NULL. Moving the call to resourcesize after devmioremapresource and checking...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Unallocated resources are no longer allowed to be returned. In cases where the topology requests resources that have not been created by the system since they are typically not represented in dpumdsscfg, the resource...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/client: Fixed a memory leak in drmclienttargetcloned. The dmtmode variable is allocated but never freed within this function. This issue was discovered with the ast driver, but most drivers that use the generic fbdevsetup...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: dsi: Store driver data before invoking mipidsihostregister The call to mipidsihostregister triggers a callback to mtkdsibind, which uses devgetdrvdata to retrieve the mtkdsi struct. Therefore, this structure must be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/xe/guc: Fixed the use of stackdepot. Added the missing stackdepotinit call when CONFIGDRMXEDEBUGGUC is enabled to fix the following call stack: BUG: Kernel NULL pointer dereferencing, address: 0000000000000000 Workqueue:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/gud: fixed NULL fb and crtc dereferences on USB disconnection. When the display disconnects, the function drmatomichelperdisableall is called, which sets both the fb and crtc for a plane to NULL before performing the commit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/panthor: Fix for dma-fence safe access rules Commit 506aa8b02a8d6 “dma-fence: Add safe access helpers and document the rules” details the dma-fence safe access rules. The most common issue is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/nvm: Fixed a double-free operation in the aux add failure case. After a successful auxiliarydeviceinit call, auxdev-dev.release i.e., xenvmreleasedev is responsible for freeing the memory associated with the auxiliary devi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the drmedid leak in amdgpudm WHAT When a sink is connected, the connector-drmedid was overwritten without freeing the previous allocation, resulting in a memory leak upon resuming operation. HOW Free the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed an access race in the gpu recovery process. A potential UAF Uninitialized Address Fault during GPU recovery was avoided due to a race between the sched timeout callback and the tdr work queue. The gpu recovery...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Ensure that lastfence is always updated. Update lastfence in the vm-bind path, rather than the kernel-managed path. lastfence is used to wait for work to complete in vmbind contexts, but not in kernel-managed contexts...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fixed the mmap operation to include VMIO and VMDONTDUMP. In commit 510410bfc034 “drm/msm: Implement mmap as a GEM object function”, we switched to a new and cleaner approach for handling this issue. That’s good, but we...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the logic for disabling/enabling FIFO. Why When switching to another HDMI mode, we inevitably disable/enable the FIFO, causing both HPO and DIG registers to be set at the same time—when only HPO is supposed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/edid: fixed an issue where information was leaked when attempting to obtain the panel ID. Be sure to clear the transfer buffer before retrieving the EDID, to avoid leaking slab data into logs in case of errors where the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Fixed a situation where a NULL pointer was dereferenced. The LRU mechanism may look up a resource during the process of removing it from an object. The locking rules for this operation are somewhat unclear, but it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed double-release of the compute pasid. If kfdprocessdeviceinitvm returns an error after the vm is converted to a compute vm and vm-pasid is set to compute pasid, KFD will not take the pdd-drmfile reference. As a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: If the queue update fails, do not reserve bo. The error handling path should unreserve bo and then return a failure message. Cherry-picked from the commit c24afed7de9ecce341825d8ab55a43a254348b33...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: The platformgetirqbyname function returns an integer. If an error occurs, platformgetirqbyname will return a negative value. Therefore, this value should be checked instead of being passed directly into...