PT-2026-52232

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds heap write can occur during driver probe due to missing validation of the HdmiRegNum and Hdmi6GRegNum fields within the VBIOS integrated info tables v1 11 and v2 1. Thes...

CVE-2026-53137: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater authentication over HDMI, the driver reads the sink's RxStatus register and extracts a 10-bit message size field max value 1023. Th...

CVE-2026-53136: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size Why & How The VBIOS integrated info tables v111 and v21 contain HdmiRegNum and Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

CVE-2026-53138: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Bound VBIOS record-chain walk loops Why & How All record-chain walk loops in biosparser.c and biosparser2.c use for;; and only terminate on a 0xFF recordtype sentinel or zero recordsize. A malformed VBIOS image...

CVE-2026-53135: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs Why & How dpsdpmessagedebugfswrite dereferences connector-base.state-crtc without checking for NULL. A connector can be connected but not bound to any CRTC e.g...

CVE-2026-53121

In the Linux kernel, the following vulnerability has been resolved: amd-pstate: Fix memory leak in amdpstateeppcpuinit On failure to set the epp, the function amdpstateeppcpuinit returns with an error code without freeing the cpudata object that was allocated at the beginning of the function...

CVE-2026-53114

In the Linux kernel, the following vulnerability has been resolved: perf/amd/ibs: Avoid calling perfallowkernel from the IBS NMI handler Calling perfallowkernel from the NMI context is unsafe and could be fatal. Capture the permission at event-initialization time by storing it in event-hw.flags,...

CVE-2026-53053

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clonealias to use the original device's devid Currently clonealias assumes first argument pdev is always the original device pointer. This function is called by pciforeachdmaalias which based on topology decides to...

AZL-90416 CVE-2026-53053 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clonealias to use the original device's devid Currently clonealias assumes first argument pdev is always the original device pointer. This function is called by pciforeachdmaalias which based on topology decides to...

CVE-2026-53053

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clonealias to use the original device's devid Currently clonealias assumes first argument pdev is always the original device pointer. This function is called by pciforeachdmaalias which based on topology decides to...

CVE-2026-53121

In the Linux kernel, the following vulnerability has been resolved: amd-pstate: Fix memory leak in amdpstateeppcpuinit On failure to set the epp, the function amdpstateeppcpuinit returns with an error code without freeing the cpudata object that was allocated at the beginning of the function...

EUVD-2026-38989

In the Linux kernel, the following vulnerability has been resolved: amd-pstate: Fix memory leak in amdpstateeppcpuinit On failure to set the epp, the function amdpstateeppcpuinit returns with an error code without freeing the cpudata object that was allocated at the beginning of the function...

CVE-2026-53121 amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()

In the Linux kernel, the following vulnerability has been resolved: amd-pstate: Fix memory leak in amdpstateeppcpuinit On failure to set the epp, the function amdpstateeppcpuinit returns with an error code without freeing the cpudata object that was allocated at the beginning of the function...

CVE-2026-53121 amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()

In the Linux kernel, the following vulnerability has been resolved: amd-pstate: Fix memory leak in amdpstateeppcpuinit On failure to set the epp, the function amdpstateeppcpuinit returns with an error code without freeing the cpudata object that was allocated at the beginning of the function...

CVE-2026-53121

In the Linux kernel, the following vulnerability has been resolved: amd-pstate: Fix memory leak in amdpstateeppcpuinit On failure to set the epp, the function amdpstateeppcpuinit returns with an error code without freeing the cpudata object that was allocated at the beginning of the function...

CVE-2026-53121

CVE-2026-53121 affects the Linux kernel’s amd-pstate driver. The issue is a memory leak in amd_pstate_epp_cpu_init(): when failing to set the Energy Performance Preference (EPP), the function returns an error without freeing the cpudata object allocated at the start. This could lead to resource e...

CVE-2026-53114

CVE-2026-53114 concerns the Linux kernel's perf/amd/ibs feature. The root cause is calling perf_allow_kernel() from the IBS NMI handler, which is unsafe in NMI context and can be fatal. The approved fix stores the required permission at event initialization in event->hw.flags and makes the NMI...

CVE-2026-53114 perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler

In the Linux kernel, the following vulnerability has been resolved: perf/amd/ibs: Avoid calling perfallowkernel from the IBS NMI handler Calling perfallowkernel from the NMI context is unsafe and could be fatal. Capture the permission at event-initialization time by storing it in event-hw.flags,...

CVE-2026-53114 perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler

In the Linux kernel, the following vulnerability has been resolved: perf/amd/ibs: Avoid calling perfallowkernel from the IBS NMI handler Calling perfallowkernel from the NMI context is unsafe and could be fatal. Capture the permission at event-initialization time by storing it in event-hw.flags,...

EUVD-2026-38921

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clonealias to use the original device's devid Currently clonealias assumes first argument pdev is always the original device pointer. This function is called by pciforeachdmaalias which based on topology decides to...