
CVE-2020-29368 – kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check
https://notcve.org/view.php?id=CVE-2020-29368
28 Nov 2020 — An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1. Se detectó un problema en la función __split_huge_pmd en el archivo mm/huge_memory.c en el kernel de Linux versiones anteriores a 5.7.5. La implementación copy-on-write puede otorgar acceso de escritura no previsto debido a una condición de carrera en una comprobación de ... • https://bugs.chromium.org/p/project-zero/issues/detail?id=2045 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2020-29370
https://notcve.org/view.php?id=CVE-2020-29370
28 Nov 2020 — An issue was discovered in kmem_cache_alloc_bulk in mm/slub.c in the Linux kernel before 5.5.11. The slowpath lacks the required TID increment, aka CID-fd4d9c7d0c71. Se detectó un problema en la función kmem_cache_alloc_bulk en el archivo mm/slub.c en el kernel de Linux versiones anteriores a 5.5.11. La slowpath carece del incremento de TID requerido, también se conoce como CID-fd4d9c7d0c71 • https://github.com/nanopathi/linux-4.19.72_CVE-2020-29370 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2020-29374 – Kernel Live Patch Security Notice LSN-0075-1
https://notcve.org/view.php?id=CVE-2020-29374
28 Nov 2020 — An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58. Se detectó un problema en el kernel de Linux versiones anteriores a 5.7.3, relacionado con los archivos mm/gup.c y mm/huge_memory.c. La implementación de la función get_user_pages (también se conoce c... • http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-863: Incorrect Authorization •

CVE-2020-8698 – hw: Fast forward store predictor
https://notcve.org/view.php?id=CVE-2020-8698
11 Nov 2020 — Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Un aislamiento inapropiado de los recursos compartidos en algunos Intel® Processors, puede habilitar a un usuario autenticado para permitir potencialmente una divulgación de información por medio de un acceso local A flaw was found in the CPU microarchitecture where a local attacker is able to abuse a timing issue which may allow them to infer inte... • https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdf • CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer CWE-668: Exposure of Resource to Wrong Sphere •

CVE-2020-15778 – openssh: scp allows command injection when using backtick characters in the destination argument
https://notcve.org/view.php?id=CVE-2020-15778
24 Jul 2020 — scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows." ** EN DISPUTA ** scp en OpenSSH versiones hasta 8.3p1 permite una inyección de comandos en la función toremote de scp.c, como lo demuestran los caracteres backtick en el a... • https://github.com/cpandya2909/CVE-2020-15778 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •

CVE-2020-14145 – openssh: Observable discrepancy leading to an information leak in the algorithm negotiation
https://notcve.org/view.php?id=CVE-2020-14145
29 Jun 2020 — The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). NOTE: some reports state that 8.5 and 8.6 are also affected. El lado del cliente en OpenSSH versiones 5.7 hasta 8.4, presenta una Discrepancia Observable que conlleva a una filtración de información en la negociación del algoritmo. Es... • http://www.openwall.com/lists/oss-security/2020/12/02/1 • CWE-203: Observable Discrepancy •

CVE-2020-13817 – ntp: ntpd using highly predictable transmit timestamps could result in time change or DoS
https://notcve.org/view.php?id=CVE-2020-13817
04 Jun 2020 — ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (daemon exit or system time change) by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path attacker who can query time from the victim's ntpd instance. ntpd en ntp versiones anteriores a 4.2.8p14 y versiones 4.3.x versiones anteriores a 4.3.100, permite a atacantes remotos causar una denegación de servicio ... • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html • CWE-330: Use of Insufficiently Random Values CWE-358: Improperly Implemented Security Check for Standard •

CVE-2020-13630 – sqlite: Use-after-free in fts3EvalNextRow in ext/fts3/fts3.c
https://notcve.org/view.php?id=CVE-2020-13630
27 May 2020 — ext/fts3/fts3.c in SQLite before 3.32.0 has a use-after-free in fts3EvalNextRow, related to the snippet feature. El archivo ext/fts3/fts3.c en SQLite versiones anteriores a la versión 3.32.0, tiene un uso de la memoria previamente liberada en la función fts3EvalNextRow, relacionado con la funcionalidad snippet. A use-after-free vulnerability was found in the SQLite FTS3 extension module in the way it implemented the snippet function. This flaw allows an attacker who can execute SQL statements to crash the a... • http://seclists.org/fulldisclosure/2020/Dec/32 • CWE-416: Use After Free •

CVE-2020-13631 – sqlite: Virtual table can be renamed into the name of one of its shadow tables
https://notcve.org/view.php?id=CVE-2020-13631
27 May 2020 — SQLite before 3.32.0 allows a virtual table to be renamed to the name of one of its shadow tables, related to alter.c and build.c. SQLite versiones anteriores a la versión 3.32.0, permite que una tabla virtual sea renombrada con el nombre de una de sus tablas shadow, relacionada con los archivos alter.c y build.c. A flaw was found in the virtual table implementation of SQLite. This flaw allows an attacker who can execute SQL statements to rename a virtual table to the name of one of its shadow tables, leadi... • http://seclists.org/fulldisclosure/2020/Dec/32 • CWE-20: Improper Input Validation •

CVE-2020-13632 – sqlite: NULL pointer dereference in ext/fts3/fts3_snippet.c via a crafted matchinfo() query
https://notcve.org/view.php?id=CVE-2020-13632
27 May 2020 — ext/fts3/fts3_snippet.c in SQLite before 3.32.0 has a NULL pointer dereference via a crafted matchinfo() query. En el archivo ext/fts3/fts3_snippet.c en SQLite versiones anteriores a la versión 3.32.0, tiene una desreferencia del puntero NULL por medio de una consulta en la función matchinfo() especialmente diseñada. A NULL pointer dereference flaw was found in the matchinfo auxiliary function of the SQLite FTS3 extension module. This flaw allows an attacker who can execute SQL statements to crash the appli... • https://bugs.chromium.org/p/chromium/issues/detail?id=1080459 • CWE-476: NULL Pointer Dereference •