Astra Linux – Vulnerability in Linux 5.10, Linux

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 in Linux 5.10, Linux, Linux 5.15

A double-free memory flaw was discovered in the Linux kernel. The Intel GVT-g graphics driver triggers a system resource overload for the VGA card, resulting in a failure in the intelgvtdmamapguestpage function. This issue could allow a local user to crash the system...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential memory leak in DMUB hwinit Why When resuming, we perform DMUB hwinit, which allocates memory using dmresume-dmdmubhwinit-dcdmubsrvcreate-kzalloc. This can lead to a memory leak in suspend/resume...

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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null checks for adev-dm.dc in amdgpudmfini have been fixed. Since adev-dm.dc in amdgpudmfini might turn out to be NULL before the call to dcenabledmubnotifications, a check is performed beforehand to ensure that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Invalid parameter check in dpusetupdspppcc The function performs a check on the “ctx” input parameter, however, it is used before the check. The “base” variable is initialized after the sanity check to avoid a possib...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed overlapping copies within dmlcoremodeprogramming REASON &modelib-mp.Watermark and &locals-Watermark are the same address. Using memcpy may lead to unexpected behavior. SOLUTION memmove should be used instea...

Astra Linux – Vulnerability in Golang-1.19

The ParseAddressList function improperly handles comments text within parentheses within display names. Since this contradicts conforming address parsers, it can lead to different trust decisions being made by programs that use different parsers...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/imx: Fixed a memory leak in imxpdconnectorgetmodes. Avoid leaking the display mode variable if ofgetdrmdisplaymode fails. Addressing-Coverity-ID: 1443943 "Resource leak"...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/virtio: fixed a NULL pointer dereference in virtiogpuconngetmodes. drmcvtmode may return NULL, and we should check for this. This bug was discovered by syzkaller: FAULTINJECTION stacktrace: 168.567394 FAULTINJECTION: forci...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clearing the optc underflow before turning off the ODM clock Why After the ODM clock is turned off, the optc underflow bit remains there indefinitely, and clearing it doesn’t work. We need to clear that bit befor...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: Avoid clearing hardware interrupts if hwintr is null during drm uninit. If the edp modeset init fails due to the panel not being ready, and the probe is deferred during drm bind, avoid clearing IRQs and...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: clk-rcg2: Update the logic to calculate the D value for RCG. The display pixel clock has a requirement on certain newer platforms to support M/N as 2/3, and the final D value calculated results in underflow errors. As...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the logic for disabling/enabling FIFO. Why When switching to another HDMI mode, we inevitably disable/enable the FIFO, causing both HPO and DIG registers to be set at the same time—when only HPO is supposed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a NULL pointer dereferencing in dcn401inithw. dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the current condition: !fams2enable && updatebwboundingbox ||...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: line-display: fixed NULL dereferencing in linedisprelease. linedisprelease currently retrieves the enclosing struct linedisp via tolinedisp. This retrieval depends on the attachment list, but the attachment may have...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the drmedid leak in amdgpudm WHAT When a sink is connected, the connector-drmedid was overwritten without freeing the previous allocation, resulting in a memory leak upon resuming operation. HOW Free the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: Configure VRR timings after enabling TRANSDDIFUNCCTL It appears that the ICL may hang when using an MCE if we set TRANSVRRVMAX/FLIPLINE before enabling TRANSDDIFUNCCTL. Personally, I was only able to reproduce such ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Guard for possible null pointer dereferencing REASON In some situations, dc-respool may be null. SOLUTION Check whether the pointer is null before dereferencing it...