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CVSS: 8.3EPSS: 3%CPEs: 11EXPL: 1

An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un fallo de escritura de memoria fuera de límites en la manera en que la funcionalidad connection tracking Voice Over IP H.323 del kernel de Linux, manejaba las conexiones en el puerto ipv6 1720. Este fallo permite a un usuario remoto no autenticado bloquear el sistema, causando una denegación de servicio. • https://bugs.openvz.org/browse/OVZ-7188 https://bugzilla.redhat.com/show_bug.cgi?id=1850716 https://patchwork.ozlabs.org/project/netfilter-devel/patch/c2385b5c-309c-cc64-2e10-a0ef62897502%40virtuozzo.com https://security.netapp.com/advisory/ntap-20201210-0004 https://access.redhat.com/security/cve/CVE-2020-14305 • CWE-787: Out-of-bounds Write •

CVSS: 7.2EPSS: 0%CPEs: 39EXPL: 1

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field. La vulnerabilidad de tipo use-after-free en el archivo fs/block_dev.c en el kernel de Linux versiones anteriores a 5.8, permite a usuarios locales obtener privilegios o causar una denegación de servicio al aprovechar el acceso inapropiado a un determinado campo de error A use-after-free flaw was observed in blkdev_get(), in fs/block_dev.c after a call to __blkdev_get() fails, and its refcount gets freed/released. This problem may cause a denial of service problem with a special user privilege, and may even lead to a confidentiality issue. • https://lkml.org/lkml/2020/6/7/379 https://security.netapp.com/advisory/ntap-20201218-0002 https://access.redhat.com/security/cve/CVE-2020-15436 https://bugzilla.redhat.com/show_bug.cgi?id=1901168 • CWE-416: Use After Free •