Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check linkres-hpodplinkenc before using it. WHAT & HOW The functions dpenablelinkPhy and dpdisablelinkPhy can pass linkres without initializing hpodplinkenc. It is necessary to check for null values before...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: fixed integer types and null check locations Reason: Issues fixed: - Comparison with a wider integer type in the loop condition, which could lead to infinite loops. - Dereferencing a pointer before performing ...

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/pm: Prevention of division by zero The user can set any speed value. If the speed is greater than UINTMAX/8, a division by zero is possible. Found by the Linux Verification Center linuxtesting.org with SVACE...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: amdgputtmgartbind set gtt bound flag Otherwise, after the GTT context is released, the GTT and gart space are freed. However, amdgputtmbackendunbind does not clear the gart page table entry; instead, it leaves a valid...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Fixed an issue where an index out of bounds could occur in the degamma hardware format translation. This issue was addressed by fixing the index out of bounds situation in the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: amdsfh: Free driverdata after destroying the hid device Driver callbacks are no longer called after the hiddestroydevice function is called. Therefore, the driverdata should only be freed after the hiddestroydevice functi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The denominator pbndiv is checked before being used. WHAT & HOW The denominator cannot be 0, and this check is performed before it is used. This fix addresses a Divide-by-zero issue reported by Coverity...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null checks for ‘stream’ and ‘plane’ were added before dereferencing them. This commit adds null checks for the ‘stream’ and ‘plane’ variables in the dcn30applyidlepoweroptimizations function. These variables wer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: avoid using a null object of 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...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Prevention of division by zero The user can set any speed value. If the speed is greater than UINTMAX/8, a division by zero is possible. Found by the Linux Verification Center linuxtesting.org with SVACE...

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: Protection against bad data for the ATIF ACPI method. If a BIOS provides bad data in response to an ATIF method call, this causes a NULL pointer dereference in the caller. The vulnerability has been encountered on at lea...

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 an issue where the index out of bounds occurred in the DCN30 degamma hardware format translation. This commit addresses a potential index out of bounds issue in the cm3helpertranslatecurvetodegammahwformat...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Skip Recompute DSC Params if no Stream on Link Why A NULL pointer dereference occurred during MST and DSC setup. BUG: NULL pointer dereference in the kernel, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 1...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check if the modulo result is 0 before performing division. How & Why If a value of 0 is read, it will cause a Divide-by-0 panic...

Astra Linux – Vulnerability in Linux 5.10, Linux, 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 – 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: Check numvalidsets before accessing readerwmsets. WHY & HOW numvalidsets needs to be checked to avoid a negative index when accessing readerwmsetsnumvalidsets - 1. This fix addresses an OVERLOAD issue reported by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to the user space even when PERFSAMPLEBRANCHUSER is requested. O...

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

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a potential buffer overflow in parseivrsacpihid. There is a string parsing logic error that can lead to an overflow of the hid or uid buffers. Comparing ACPIIDLEN to the total string length does not take into...

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 ==...