CVE-2021-33574 | BDVDB-2026-154269 Detail
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Description#
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/
- https://security.netapp.com/advisory/ntap-20210629-0005/
- https://security.gentoo.org/glsa/202107-07
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.