CVSS: 6.0EPSS: 0%CPEs: 2EXPL: 0CVE-2020-10742 – kernel: NFS client crash due to index buffer overflow during Direct IO write causing kernel panic
https://notcve.org/view.php?id=CVE-2020-10742
A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index after one memory allocation by kmalloc will cause a kernel panic. The highest threat from this vulnerability is to data confidentiality and system availability. Se encontró un fallo en el kernel de Linux. • https://bugzilla.redhat.com/show_bug.cgi?id=1835127 https://access.redhat.com/security/cve/CVE-2020-10742 • CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 12EXPL: 1CVE-2021-3516 – libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c
https://notcve.org/view.php?id=CVE-2021-3516
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability. Se encontró un fallo en xmllint de libxml2 en versiones anteriores a 2.9.11. Un atacante que es capaz de enviar un archivo diseñado para ser procesado por xmllint podría desencadenar un uso de la memoria previamente liberada. • https://bugzilla.redhat.com/show_bug.cgi?id=1954225 https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539 https://gitlab.gnome.org/GNOME/libxml2/-/issues/230 https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV https://security& • CWE-416: Use After Free •
CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 0CVE-2021-3543 – kernel: nitro_enclaves stale file descriptors on failed usercopy
https://notcve.org/view.php?id=CVE-2021-3543
A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system. Se encontró una fallo desreferencia de puntero null en el controlador Nitro Enclaves kernel en la forma en que las máquinas virtuales de Enclaves fuerzan cierres en el descriptor de archivo del enclave. Un usuario local de una máquina host podría usar este fallo para bloquear el sistema o escalar sus privilegios en el sistema • https://bugzilla.redhat.com/show_bug.cgi?id=1953022 https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com https://access.redhat.com/security/cve/CVE-2021-3543 • CWE-416: Use After Free CWE-476: NULL Pointer Dereference •
CVSS: 8.8EPSS: 0%CPEs: 9EXPL: 0CVE-2021-32027 – postgresql: Buffer overrun from integer overflow in array subscripting calculations
https://notcve.org/view.php?id=CVE-2021-32027
A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22. While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se ha encontrado un fallo en postgresql en las versiones anteriores a 13.3, versiones anteriores a 12.7, versiones anteriores a 11.12, versiones anteriores a 10.17 y versiones anteriores a 9.6.22. Cuando se modifican determinados valores de matrices SQL, una falta de comprobación de límites permite a usuarios autentificados de la base de datos escribir bytes arbitrarios en una amplia zona de la memoria del servidor. • https://bugzilla.redhat.com/show_bug.cgi?id=1956876 https://security.gentoo.org/glsa/202211-04 https://security.netapp.com/advisory/ntap-20210713-0004 https://www.postgresql.org/support/security/CVE-2021-32027 https://access.redhat.com/security/cve/CVE-2021-32027 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-190: Integer Overflow or Wraparound •
CVSS: 9.8EPSS: 0%CPEs: 4EXPL: 0CVE-2021-20236
https://notcve.org/view.php?id=CVE-2021-20236
A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un fallo en el servidor ZeroMQ en versiones anteriores a 4.3.3. Este fallo permite a un cliente malicioso causar un desbordamiento del búfer de pila en el servidor mediante el envío de peticiones de suscripción de temas diseñadas y luego cancelando la suscripción. • https://bugzilla.redhat.com/show_bug.cgi?id=1921976 https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •