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 – 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 vulnerabilities have been resolved: drm/amd/display: Skip wbsclsetscalerfilter if the filter is null. Callers can pass null as the filter value e.g., from the function wbsclgetfiltercoeffs16p, and a null check has been added to ensure that this does not occur...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: amd: display: Fix memory leakage This commit addresses the memory leakage issue in the dcconstructctx function...

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 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 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 – 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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Fixed MST Null Ptr for RV The change attempts to fix the following error specific to the RV platform: BUG: Kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 1 PREEMPT SMP NOPTI...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Implement bounds check for stream encoder creation in DCN301 The “streamenc regs” array is an array of dcn10streamencregisters structures. The array is initialized with four elements, corresponding to the four...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/ast: Fixed soft lockup issues. There is a while-loop in astdpsetonoff, which could lead to an infinite loop. This is because the register VGACRI-Dx checked in this API is actually a scratch register controlled by an MCU named...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL check was added for the “timing generator” in dcn21setpipe. In the line of u32 otginst = pipectx-streamres.tg-inst;, if pipectx-streamres.tg can be NULL, it relies on the caller to ensure that tg is not NU...

Astra Linux – Vulnerability in Qemu

A out-of-bounds read flaw was discovered in the QXL display device emulation in QEMU. The qxlphys2virt function does not check the size of the structure pointed to by the guest physical address, potentially allowing it to read beyond the bounds of the bar space onto adjacent pages. A malicious...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-21 and 6.9.13-46, a malicious MIFF file could trigger an overflow when a user opened it in the display tool and right-clicked on a tile to invoke the Load/Update menu item. This...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fixed a memory leak when using debugfslookup. When calling debugfslookup, the result must have dput called upon it; otherwise, memory will leak over time. This issue was addressed by properly calling dput...

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...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QXL display device emulation in QEMU. An integer overflow in the cursoralloc function can lead to the allocation of a small cursor object, followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: The denominator “cbppipes” must not be 0; it is checked before being used. WHAT & HOW The denominator cannot be 0, and is checked before being used. This fix addresses two “DIVIDEBYZERO” issues reported by...

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...