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"Description":"This update upgrades kernel-image-un-def to version 5.7.5-alt1. \nSecurity Fix(es):\n\n * BDU:2020-03071: Уязвимость компонента drivers/tty/vt/keyboard.c ядра операционной системы Linux, позволяющая нарушителю выполнить произвольный код\n\n * BDU:2020-05546: Уязвимость функции __split_huge_pmd (mm/huge_memory.c) ядра операционных систем Linux, позволяющая нарушителю выполнить произвольный код\n\n * BDU:2020-05552: Уязвимость функции get_user_pages(), позволяющая нарушителю вызвать отказ в обслуживании\n\n * BDU:2021-06410: Уязвимость компонента mm/mremap.c ядра операционной системы Linux, связанная с выходом операции за допустимые границы буфера данных, позволяющая нарушителю повысить свои привилегии в системе\n\n * CVE-2020-10757: A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.\n\n * CVE-2020-13974: An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.\n\n * CVE-2020-29368: 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.\n\n * CVE-2020-29374: 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.",