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CVE-2021-20200

Опубликовано: 23 июл. 2020
Источник: redhat
CVSS3: 0

Описание

A flaw was found in the Linux kernel. A race condition in mm/mmap.c in VMA access could allow a local attacker with user privileges to crash the system or lead to information leakage. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Отчет

Red Hat Product Security does not consider this to be a vulnerability and this CVE has been revoked.

Меры по смягчению последствий

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 5kernelAffected
Red Hat Enterprise Linux 6kernelAffected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-altNot affected
Red Hat Enterprise Linux 7kernel-rtWill not fix
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise MRG 2kernelAffected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-362->CWE-416
https://bugzilla.redhat.com/show_bug.cgi?id=1908249kernel: close race between munmap() and expand_upwards()/downwards()

0 Low

CVSS3

Связанные уязвимости

nvd
почти 5 лет назад

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

0 Low

CVSS3