Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/dpmst: Fixed the check on the length of the MST sideband message body. The issue involved checking the length of the MST sideband message body; it must be at least 1 byte, taking into account the message body CRC also known a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: Use ctx-lock to protect member variables related to memory allocation/free operations. The Exynos Virtual Display driver performs memory allocation/free operations without lock protection, which can easily lead ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Avoid NULL dereferencing in msmdispstateprint regs. If the allocation in msmdispstatedump regs fails, block-state can become NULL. The msmdispstateprint regs function includes code to handle this situation: c if reg...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A null check has been added for the function pointer in dcn32setoutputtransferfunc. This commit adds a null check for the setoutputgamma function pointer in the dcn32setoutputtransferfunc function. Previously,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed an out-of-bounds access in ‘dcn21linkencodercreate’. An issue was identified in the dcn21linkencodercreate function, where an out-of-bounds access could occur when the hpdsource index was used to reference...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: Resources are freed after they are unregistered. The unbind operation of the DP component iterates through the submodules to unregister them and clean up the situation. However, if the unbind occurs because the DP...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: hdmi: Reports a safe 640x480 mode as a fallback when no EDID is found. When reading the EDID fails and the driver reports that no modes are available, the DRM core adds a fabricated 1024x786 mode to the connector...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The default value of “denominators” should be set to 1. WHAT & HOW Variables that are used as denominators and may not be assigned to other values should not have a default value of 0. Change their default value ...

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/amd/display: Assign normalizedpixclk when color depth = 14 WHY & HOW A warning message “WARNING: CPU: 4 PID: 459 at …/dcresource.c:3397 calculatephypixclks+0xef/0x100 amdgpu” occurs because the condition displaycolordepth ==...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/dpmst: Fixed the issue where the message reception state was reset after the topology was removed. If the MST topology is removed during the reception of an MST down reply or an MST up request sideband message, the states of...

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/amd/display: Skip finding free audio for unknown engineid REASON ENGINEIDUNKNOWN equals -1, and cannot be used as an array index. Additionally, it indicates that the memory is uninitialized and does not require free audio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a slab-use-after-free issue in hdcpwork Why A slab-use-after-free issue was reported when HDCP was destroyed, but the propertyvalidatedwork queue was still running. How The delayed work was canceled when th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check in resourcelogpipetopologyupdate REASON When switching from “Extend” to “Second Display Only”, we sometimes call resourcegetotgmasterforstream on an eDP stream, even though the eDP 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 xorg-server

A heap buffer overflow flaw was discovered in the DisableDevice function of the X.Org server. This issue may cause an application to crash, or in some cases, lead to remote code execution in SSH X11 forwarding environments...

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 pointers are checked before using dc-clkmgr. WHY & HOW dc-clkmgr is already checked for null values in the same function; this indicates that it may be null. The value “dc” is passed to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/panel/panel-sitronix-st7701: Remove the panel when DSI attachment fails. In the event that mipidsiattach fails, call drmpanelremove to avoid a memory leak...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Do not free the IRQ if it was not requested. Since the msmdrmuninit function is called from the msmdrminit error path, additional care is necessary to avoid calling freeirq for the IRQ that was not requested. This issue...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QXL display device emulation in QEMU. The double retrieval of the guest-controlled values cursor-header.width and cursor-header.height can lead to the allocation of a small cursor object, followed by a subsequent heap-based buffer overflow. A malicious privileged gues...