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: Added a check for granularity in the dml ceil/floor helpers. Why The wrapper functions for dcnbwceil2 and dcnbwfloor2 should check that granularity is non-zero, to avoid assertion errors and divide-by-zero errors...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: anx7625: Fixed an overflow issue when reading EDID. The length of the EDID block can be longer than 256 bytes. Therefore, we should use int instead of u8 for the edidpos variable...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A null pointer check was added in modhdcphdcp1createsession. The function modhdcphdcp1createsession calls the function getfirstactivedisplay, but does not check its return value. The return value is a null pointe...

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 in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Invalid parameter check in msmdsiPhyEnable The function performs a check on the “phy” input parameter, however, it is used before the check. The “dev” variable is initialized after the sanity check to avoid a possibl...

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

In the Linux kernel, the following vulnerabilities have been resolved: ARM: OMAP2+: display: Fixed refcount leak bug In omapdssinitfbdev, offindnodebyname will return a node pointer with the refcount incremented. We should use ofnodeput when it is no longer needed...

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 a system hang that occurred during resume with a Thunderbolt monitor. Why This issue arises when using a Thunderbolt monitor and performing suspend or resume operations. During the resume procedure, the TBT...

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: The default value of getbytesperelement has been set to 1. Variables that are used as denominators and may not be assigned to other values should not have a value of 0. bytesperelementy and bytesperelementc are...

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: The memory leak in dmswfini has been fixed. After destroying dmubsrv, the memory associated with it is not freed, resulting in a memory leak: unreferenced object 0xffff896302b45800 size 1024: comm "udev-worker",...

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

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dispnv04: fixed a null pointer dereferencing in nv17tvgetldmodes. In nv17tvgetldmodes, the return value of drmmodeduplicate is assigned to mode. This could lead to a NULL pointer dereferencing in case of a failure of...

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 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Added a null check before passing variables. Checked for null pointers before passing variables to functions. This fix resolves 3 NULLRETURNS issues reported by Coverity...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a check for cstate. Since kzalloc may fail and return a NULL pointer, it would be better to check the cstate to avoid dereferencing the NULL pointer in drmatomichelpercrtcreset. Patchwork:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL pointer dereference occurred in amdgpudmconnectoraddcommonmodes. In amdgpudmconnectoraddcommonmodes, amdgpudmcreatecommonmode assigns mode to mode, and mode is directly passed to drmmodeprobedadd...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix slab-use-after-free in hdcp The HDCP code in amdgpudmhdcp.c copies pointers to amdgpudmconnector objects without incrementing the kref reference counts. When using a USB-C dock, and the dock is unplugged, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/stm: Avoid use-after-free issues with crtc and plane The function ltdcload calls the functions drmcrtcinitwithplanes, drmuniversalplaneinit, and drmencoderinit. These functions should not be called with parameters allocate...