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, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for a potential null return from kmallocarray. Since kmallocarray may return null, the use of 'eventwaitersi.wait' could lead to a null pointer derefrence. Therefore, it is better to check the return value of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid HDCP over-reading and corruption. Instead of reading the desired 5 bytes from the actual target field, the code was reading 8 bytes. This could result in a corrupted value if the last 3 bytes were non-zero...

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 – 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 for opening, singlerelease should be called; otherwise, the ‘op’ allocated in singleopen will be leaked...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fixed the UAF issue related to GEM handle creation. The user space can guess the handle value and attempt to race the GEM object creation with the handle being closed. This can lead to a use-after-free scenario if we...

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 – 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 To fix 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...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fixed a possible null pointer dereferencing issue. In radeonfpnativemode, the return value of drmmodeduplicate is assigned to mode, which could lead to a NULL pointer dereferencing issue upon failure of...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: Added a check for the encoder in intelhdcpgetcapability. Sometimes during hotplug scenarios or suspend/resume scenarios, the encoder may not be initialized properly. To prevent null pointer dereferencing in 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/amd/display: Guard for possible null pointer dereferencing REASON In some situations, dc-respool may be null. SOLUTION Check whether the pointer is null before dereferencing it...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: nv04: Fix for out-of-bounds access When the value of Output Resource dcb-or is assigned in fabricatedcboutput, there may be an out-of-bounds access to the dacusers array. This occurs when dcb-or is zero, because ffsdcb-or is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Check whether hwpp is valid in dpuencoderhelperphyscleanup. The commit 8b45a26f2ba9 “drm/msm/dpu: Reserve CDM blocks for writeback in case of YUV output” introduced a warning about another conditional block in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/ttm: fixed handling of CCS Crucible + recent Mesa sometimes causes the following issue: GEMBUGONnumccsblks NUMCCSBLKSPERXFER It seems that this issue can also be triggered with gemlmemswapping, if we modify the tests ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null checks for adev-dm.dc in amdgpudmfini have been fixed. Since adev-dm.dc in amdgpudmfini might turn out to be NULL before the call to dcenabledmubnotifications, a check is performed beforehand to ensure that...

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 vulnerabilities have been resolved: drm/xe/vf: Do not expose sysfs attributes that are not applicable to VFs. VFs cannot read the BMGPCIECAP0x138340 register, nor can they access the PCODE which is already guarded by the info.skippcode flag. Therefore, we should...