Use After Free Affecting glibc-lang package, versions <2.31-9.3.2
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Test your applications- Snyk ID SNYK-SLES153-GLIBCLANG-2663344
- published 14 Apr 2022
- disclosed 8 Dec 2021
Introduced: 8 Dec 2021
CVE-2021-33574 Open this link in a new tabHow to fix?
Upgrade SLES:15.3
glibc-lang
to version 2.31-9.3.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream glibc-lang
package and not the glibc-lang
package as distributed by SLES
.
See How to fix?
for SLES:15.3
relevant fixed versions and status.
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.
References
- https://www.suse.com/security/cve/CVE-2021-33574.html
- https://bugzilla.suse.com/1186489
- https://bugzilla.suse.com/1189426
- https://bugzilla.suse.com/1192788
- https://bugzilla.suse.com/1196766
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/
- https://security.gentoo.org/glsa/202107-07
- https://security.netapp.com/advisory/ntap-20210629-0005/
- 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/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/