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CVSS: 7.0EPSS: 0%CPEs: 68EXPL: 1

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root. Se ha encontrado un fallo en el protocolo de red CAN BCM en el kernel de Linux, donde un atacante local puede abusar de un fallo en el subsistema CAN para corromper la memoria, bloquear el sistema o escalar privilegios. Esta condición de carrera en el archivo net/can/bcm.c en el kernel de Linux permite una escalada de privilegios local a root A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. • https://bugzilla.redhat.com/show_bug.cgi?id=1971651 https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463 https://security.netapp.com/advisory/ntap-20220419-0004 https://www.openwall.com/lists/oss-security/2021/06/19/1 https://access.redhat.com/security/cve/CVE-2021-3609 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 8.8EPSS: 0%CPEs: 13EXPL: 0

A flaw was found in the PKI-server, where the spkispawn command, when run in debug mode, stores admin credentials in the installation log file. This flaw allows a local attacker to retrieve the file to obtain the admin password and gain admin privileges to the Dogtag CA manager. The highest threat from this vulnerability is to confidentiality. Se ha encontrado un fallo en el servidor PKI, donde el comando spkispawn, cuando es ejecutado en modo de depuración, almacena las credenciales de administrador en el archivo de registro de la instalación. Este fallo permite a un atacante local recuperar el archivo para obtener la contraseña de administrador y alcanzar privilegios de administrador en el administrador de Dogtag CA. • https://bugzilla.redhat.com/show_bug.cgi?id=1959971 https://access.redhat.com/security/cve/CVE-2021-3551 • CWE-312: Cleartext Storage of Sensitive Information •

CVSS: 7.6EPSS: 0%CPEs: 20EXPL: 0

A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en grub2 en versiones anteriores a 2.06. • https://bugzilla.redhat.com/show_bug.cgi?id=1886936 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R https://security.gentoo.org/glsa/202104-05 https://security.netapp.com/advisory/ntap-20220325-0001 https://access.redhat.com/security/cve/CVE-2020-25647 • CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 0%CPEs: 21EXPL: 1

A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is further loaded and executed by the kernel, defeating its Secure Boot lockdown and allowing the attacker to load unsigned code. The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability. Se encontró un fallo en grub2 en versiones anteriores a 2.06, donde habilita incorrectamente el uso del comando ACPI cuando Secure Boot está habilitado. • https://github.com/kukrimate/CVE-2020-14372 https://access.redhat.com/security/vulnerabilities/RHSB-2021-003 https://bugzilla.redhat.com/show_bug.cgi?id=1873150 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R https://security.gentoo.org/glsa/202104-05 https://security.netapp.com/advisory/ntap-20210416-0004 https://access.redhat.com/security/cve/CVE-2020-14372 • CWE-184: Incomplete List of Disallowed Inputs •

CVSS: 7.5EPSS: 0%CPEs: 20EXPL: 0

A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en grub2 en versiones anteriores a 2.06. El analizador de opciones permite a un atacante escribir más allá del final de un búfer asignado a la pila al llamar a determinados comandos con una gran cantidad de formularios de opciones cortos específicos. • https://bugzilla.redhat.com/show_bug.cgi?id=1924696 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R https://security.gentoo.org/glsa/202104-05 https://security.netapp.com/advisory/ntap-20220325-0001 https://access.redhat.com/security/cve/CVE-2021-20225 • CWE-787: Out-of-bounds Write •