Improper input validation in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable denial of service via adjacent access.

hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Potential buffer overflow when handling UEFI variables

Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platforms This issue affects: Phoenix SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998; Phoenix SecureCore™ for Intel Coffee Lake: from 4.1.0.1 before 4.1.0.562; Phoenix SecureCore™ for Intel Ice Lake: from 4.2.0.1 before 4.2.0.323; Phoenix SecureCore™ for Intel Comet Lake: from 4.2.1.1 before 4.2.1.287; Phoenix SecureCore™ for Intel Tiger Lake: from 4.3.0.1 before 4.3.0.236; Phoenix SecureCore™ for Intel Jasper Lake: from 4.3.1.1 before 4.3.1.184; Phoenix SecureCore™ for Intel Alder Lake: from 4.4.0.1 before 4.4.0.269; Phoenix SecureCore™ for Intel Raptor Lake: from 4.5.0.1 before 4.5.0.218; Phoenix SecureCore™ for Intel Meteor Lake: from 4.5.1.1 before 4.5.1.15.

Unsafe Handling of IHV UEFI Variables

Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake, Phoenix SecureCore™ for Intel Coffee Lake, Phoenix SecureCore™ for Intel Comet Lake, Phoenix SecureCore™ for Intel Ice Lake allows Input Data Manipulation.This issue affects SecureCore™ for Intel Kaby Lake: before 4.0.1.1012; SecureCore™ for Intel Coffee Lake: before 4.1.0.568; SecureCore™ for Intel Comet Lake: before 4.2.1.292; SecureCore™ for Intel Ice Lake: before 4.2.0.334.

Unsafe Handling of Phoenix UEFI Variables

Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake, Phoenix SecureCore™ for Intel Coffee Lake, Phoenix SecureCore™ for Intel Comet Lake, Phoenix SecureCore™ for Intel Ice Lake allows Input Data Manipulation.This issue affects SecureCore™ for Intel Kaby Lake: before 4.0.1.1012; SecureCore™ for Intel Coffee Lake: before 4.1.0.568; SecureCore™ for Intel Comet Lake: before 4.2.1.292; SecureCore™ for Intel Ice Lake: before 4.2.0.334.

Improper input validation for some Intel(R) Processors may allow an authenticated user to potentially cause a denial of service via local access.

hw: cpu: information disclosure via Intel Software Guard Extensions (SGX) Platform

Sensitive information accessible by physical probing of JTAG interface for some Intel(R) Processors with SGX may allow an unprivileged user to potentially enable information disclosure via physical access.

Hardware debug modes and processor INIT setting that allow override of locks for some Intel(R) Processors in Intel(R) Boot Guard and Intel(R) TXT may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

hw: cpu: intel: Intra-Mode BTI

Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

hw: cpu: intel: Branch History Injection (BHI)

Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

microcode: Intel Processor Breakpoint Control Flow

Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access.

Insufficient compartmentalization in HECI subsystem for the Intel(R) SPS before versions SPS_E5_04.01.04.516.0, SPS_E5_04.04.04.033.0, SPS_E5_04.04.03.281.0, SPS_E5_03.01.03.116.0, SPS_E3_05.01.04.309.0, SPS_02.04.00.101.0, SPS_SoC-A_05.00.03.114.0, SPS_SoC-X_04.00.04.326.0, SPS_SoC-X_03.00.03.117.0, IGN_E5_91.00.00.167.0, SPS_PHI_03.01.03.078.0 may allow an authenticated user to potentially enable escalation of privilege via physical access.

Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via adjacent access.

Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable denial of service via local access.

hw: Intel: Gather Data Sampling (GDS) side channel vulnerability

Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

hw: Intel: Improper initialization in TXT SINIT ACM may cause escalation privilege.

Improper initialization in the Intel(R) TXT SINIT ACM for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.

Modification of assumed-immutable data in subsystem in Intel(R) CSME versions before 13.0.47, 13.30.17, 14.1.53, 14.5.32, 15.0.22 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Improper initialization in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32, 13.50.11 and 15.0.22 may allow a privileged user to potentially enable information disclosure via local access.