ALT Linux Team

Package glibc update in sisyphus on 2021-07-03

ALT-PU-2021-2137-1

Package glibc updated to version 2.32-alt3 for branch sisyphus in task 276954.

Closed vulnerabilities

Published: 2021-05-25

BDU:2021-06408

Уязвимость системной библиотеки GNU C Library (glibc), связанная с использованием памяти после ее освобождения, позволяющая нарушителю выполнить отказ в обслуживании

Severity: CRITICAL (9.8) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL (10.0) Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
References:
Published: 2021-05-25
Modified: 2024-11-21

CVE-2021-33574

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.

Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: CRITICAL (9.8) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References:
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Version: 2.1.2
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