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CVE-2021-0127

Опубликовано: 08 фев. 2022
Источник: redhat
CVSS3: 5.6
EPSS Низкий

Описание

Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access.

A flaw was found in microcode. Under complex microarchitectural conditions, an unexpected code breakpoint may cause a system hang. The hang was observed on a Skylake server processor, and subsequent analysis indicated additional potentially affected processors. This flaw allows a possible temporary denial of service (TDOS) to occur.

Отчет

Red Hat has very limited to no visibility and control over binary blobs provided by third-party vendors. Red Hat relies heavily on the vendors to provide timely updates and information about included changes for this content. In most cases, it merely acts as a release vehicle between the third-party vendor and Red Hat customers with no possibility of influencing or even documenting the changes. Unless explicitly stated, the level of insight, oversight, and control Red Hat has does not meet the criteria required (in terms of Red Hat-owned development processes and QA documentation) for releasing this content as RHSA. For more information, please contact the binary content vendor.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6microcode_ctlAffected
Red Hat Enterprise Linux 7microcode_ctlAffected
Red Hat Enterprise Linux 8microcode_ctlAffected

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Дополнительная информация

Статус:

Moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2049528microcode: Intel Processor Breakpoint Control Flow

EPSS

Процентиль: 22%
0.00073
Низкий

5.6 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
почти 4 года назад

Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access.

CVSS3: 5.5
nvd
почти 4 года назад

Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access.

CVSS3: 5.5
debian
почти 4 года назад

Insufficient control flow management in some Intel(R) Processors may a ...

CVSS3: 5.5
github
почти 4 года назад

Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access.

CVSS3: 5.5
fstec
около 6 лет назад

Уязвимость микрокода процессоров Intel Microcode, связанная с недостаточным использованием потоков, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 22%
0.00073
Низкий

5.6 Medium

CVSS3