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CVE-2021-33574

Опубликовано: 02 июн. 2021
Источник: msrc
CVSS3: 9.8
EPSS Низкий

Описание

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller leading to a denial of service (application crash) or possibly unspecified other impact.

FAQ

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?

One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.

EPSS

Процентиль: 35%
0.0014
Низкий

9.8 Critical

CVSS3

Связанные уязвимости

CVSS3: 9.8
ubuntu
больше 4 лет назад

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

CVSS3: 5.9
redhat
больше 4 лет назад

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

CVSS3: 9.8
nvd
больше 4 лет назад

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

CVSS3: 9.8
debian
больше 4 лет назад

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 ...

suse-cvrf
больше 4 лет назад

Security update for glibc

EPSS

Процентиль: 35%
0.0014
Низкий

9.8 Critical

CVSS3