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/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

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/a3xx: Fixed error handling in a3xxgpuinit. These error paths now return 1 in case of failure, instead of a negative error code. This could lead to an “Oops” in the calling function. Another issue is that the check for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The oem i2c adapter is removed after the process is completed. This fix addresses a bug where unbinding the GPU would leave the oem i2c adapter registered, resulting in a null pointer dereference when application...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: imx8mpblk: Add fdcc clock to hdmimix domain According to the i.MX8MP RM and HDMI specifications, the fdcc clock is part of the HDMI RX verification IP. This clock should not be enabled for HDMI TX...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a NULL check for ‘replay’ in ‘edpsetreplayallowactive’. In the first if statement, we are checking whether ‘replay’ is NULL. However, in the second if statement, we do not check whether ‘replay’ is NULL aga...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check whether extcaps is valid in BL setup. LVDS connectors do not have extended backlight caps; therefore, check whether the pointer is valid before accessing it. Selected from commit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the null check on pipectx-planestate in updatedchubpdpp. This issue is similar to commit 6a057072ddd1 “drm/amd/display: Fixed a null pointer dereference on dcn20updatedchubpdpp. It involves the same functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the issue where the unlock operation was not matched correctly for the DMUB HW lock in the HWSS fast path. Why The evaluation of whether we need to use the DMUB HW lock is different from the evaluation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added sanity checks for drmedidraw. When EDID is retrieved via drmedidraw, it does not guarantee that the caller’s desired EDID bytes will be returned. It may either return NULL leading to an error, or return byt...

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: 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: 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: 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 vulnerabilities have been resolved: drm/msm/dp: fixed memory corruption due to too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are more than eight bridges...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: added atomiccheck to bridge ops In the DRM committails function, if both conditions for disabling the downstream crtc/encoder/bridge are required, and crtc-active is set before pushing a new frame downstream, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/bios: Allowing devdata==NULL in intelbiosencodersupportsdpdualmode. If we don’t have a VBT, or if the VBT did not declare the encoder, we won’t have the “devdata” for that encoder. Instead of throwing an error, we should...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The dcn301calculatewmanddlg function for the FPU has been modified. The logic for dcn30 has been mirrored. This fix may result in a number of WARN messages and some kernel panics...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/gud: fixed NULL fb and crtc dereferences on USB disconnection. When the display disconnects, the function drmatomichelperdisableall is called, which sets both the fb and crtc for a plane to NULL before performing the commit...