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CVSS: 6.5EPSS: 0%CPEs: 288EXPL: 0

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions. Las generaciones de microprocesadores Intel 6 a 8 están afectadas por una nueva variante de Spectre que es capaz de omitir su mitigación de retpoline en el kernel para filtrar datos arbitrarios. Un atacante con acceso de usuario no privilegiado puede secuestrar las instrucciones de retorno para lograr una ejecución arbitraria de código especulativo bajo determinadas condiciones dependientes de la microarquitectura A flaw was found in hw. Non-transparent sharing of branch predictor targets between contexts in some Intel(R) processors may potentially allow an authorized user to enable information disclosure via local access. • http://www.openwall.com/lists/oss-security/2022/07/12/2 http://www.openwall.com/lists/oss-security/2022/07/12/4 http://www.openwall.com/lists/oss-security/2022/07/12/5 http://www.openwall.com/lists/oss-security/2022/07/13/1 https://comsec.ethz.ch/retbleed https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fed • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-668: Exposure of Resource to Wrong Sphere •

CVSS: 2.4EPSS: 0%CPEs: 918EXPL: 0

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. Una información confidencial accesible mediante el sondeo físico de la interfaz JTAG para algunos procesadores Intel(R) con SGX puede permitir que un usuario no privilegiado permita potencialmente una divulgación de información por medio del acceso físico • https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00614.html • CWE-319: Cleartext Transmission of Sensitive Information •

CVSS: 5.5EPSS: 0%CPEs: 736EXPL: 0

Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access. Una discrepancia observable en la interfaz RAPL para algunos Intel® Processors, puede habilitar a un usuario privilegiado para permitir potencialmente una divulgación de información por medio de un acceso local A vulnerability was found in Intel's implementation of RAPL (Running Average Power Limit). An attacker with a local account could query the power management functionality to intelligently infer SGX enclave computation values by measuring power usage in the RAPL subsystem. • https://lists.debian.org/debian-lts-announce/2021/02/msg00007.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQ24MFBVH3HJW3PNRQBRY4YXKC7GA57W https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRFC7UAPKAFFH5WX3AMDUBVHLKYQA2NZ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAAGIK5CXKBPGY3R4UR5VO56M7MKLZ43 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NEM2FZWVE4FNGYNQU3WCBAWT • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •

CVSS: 5.5EPSS: 0%CPEs: 732EXPL: 0

Insufficient access control in the Linux kernel driver for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Un control de acceso insuficiente en el controlador del kernel de Linux para algunos Intel® Processors, puede habilitar a un usuario autenticado para permitir potencialmente una divulgación de información por medio de un acceso local • https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdf https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389 •

CVSS: 6.5EPSS: 0%CPEs: 727EXPL: 0

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Una limpieza incompleta de operaciones de lectura de un registro especial específico en algunos Intel® Processors puede permitir a un usuario autenticado habilitar potencialmente una divulgación de información por medio de un acceso local A new domain bypass transient execution attack known as Special Register Buffer Data Sampling (SRBDS) has been found. This flaw allows data values from special internal registers to be leaked by an attacker able to execute code on any core of the CPU. An unprivileged, local attacker can use this flaw to infer values returned by affected instructions known to be commonly used during cryptographic operations that rely on uniqueness, secrecy, or both. • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00024.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00031.html http://www.openwall.com/lists/oss-security/2020/07/14/5 https://cert-portal.siemens.com/productcert/pdf/ssa-534763.pdf https://kc.mcafee.com/corporate/index?page=content&id=SB10318 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message • CWE-459: Incomplete Cleanup •