Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Ensure that the index calculations will never cause an overflow. WHY & HOW Ensure that the calculations of vmid0p72idx, vnom0p8idx, and vmax0p9idx will never cause an overflow or exceed the array size. This fi...

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added an array index check for hdcp ddc access. Reason Coverity reported an OVERRUN warning. Do not check if the array index is valid. How Check that the msgid is valid and that the array index is valid...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check BIOS images before they are used. BIOS images may fail to load, and null checks are added before they are used. This fix addresses 6 NULLRETURNS issues reported by Coverity...

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: Check msgid before processing a transaction. WHY & HOW “HDCPMESSAGEIDINVALID -1” is not a valid msgid, nor is it a valid array index. Therefore, it needs to be checked before being used. This fix addresses 4...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check gpioid before using it as an array index. WHY & HOW The value “GPIOIDUNKNOWN -1” is not a valid value for an array index. Therefore, this value should be checked in advance. This fix resolves 5 OVERRUN...

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: Stop amdgpudm initialize when stream nums greater than 6 Why Coverity reports an OVERRUN warning. amdgpudm initialize should be aborted. How The failure is returned to amdgpudminit...

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 – 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 – Vulnerabilities in Linux 5.10, 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: Check null-initialized variables WHAT & HOW drrtiming and subvppipe are initialized to null, and they are not always assigned new values. It is necessary to check for null before dereferencing these variables...

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check the streams before comparing them. WHAT & HOW amdgpudm can pass a null stream to dcisstreamunchanged. It is necessary to check for a null value before dereferencing these streams. This fix addresses a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check for the ‘afb’ variable in the amdgpudmplanehandlecursorupdate function v2. This commit incorporates a null check for the ‘afb’ variable within the amdgpudmplanehandlecursorupdate function...

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, 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 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 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 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...