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CVE-2021-33574

CVE-2021-33574

EPSS 2.9%
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.
Productos afectados
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Referencias
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/https://security.gentoo.org/glsa/202107-07https://security.netapp.com/advisory/ntap-20210629-0005/https://sourceware.org/bugzilla/show_bug.cgi?id=27896https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1