Unrated severityNVD Advisory· Published May 25, 2021· Updated Aug 3, 2024
CVE-2021-33574
CVE-2021-33574
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
44- GNU/GNU C Librarydescription
- osv-coords42 versionspkg:rpm/almalinux/compat-libpthread-nonsharedpkg:rpm/almalinux/glibc-benchtestspkg:rpm/almalinux/glibc-nss-develpkg:rpm/almalinux/glibc-staticpkg:rpm/almalinux/glibc-utilspkg:rpm/almalinux/nss_hesiodpkg:rpm/opensuse/glibc&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/glibc&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/glibc&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/glibc-testsuite-src&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/glibc&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/glibc&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/glibc&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/glibc&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/glibc&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/glibc&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 2.28-164.el8+ 41 more
- (no CPE)range: < 2.28-164.el8
- (no CPE)range: < 2.28-164.el8
- (no CPE)range: < 2.28-164.el8
- (no CPE)range: < 2.28-164.el8
- (no CPE)range: < 2.28-164.el8
- (no CPE)range: < 2.28-164.el8
- (no CPE)range: < 2.26-lp152.26.9.1
- (no CPE)range: < 2.31-9.3.2
- (no CPE)range: < 2.34-1.2
- (no CPE)range: < 2.26-lp152.26.9.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.31-9.3.2
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.31-9.3.2
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.31-9.3.2
- (no CPE)range: < 2.11.3-17.110.37.1
- (no CPE)range: < 2.11.3-17.110.37.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.22-114.15.1
- (no CPE)range: < 2.22-114.15.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.22-114.15.1
- (no CPE)range: < 2.22-114.15.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.26-13.59.1
- (no CPE)range: < 2.22-114.15.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.22-114.15.1
- (no CPE)range: < 2.22-116.1
- (no CPE)range: < 2.22-114.15.1
Patches
Vulnerability mechanics
References
7- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/mitrevendor-advisory
- security.gentoo.org/glsa/202107-07mitrevendor-advisory
- lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlmitremailing-list
- security.netapp.com/advisory/ntap-20210629-0005/mitre
- sourceware.org/bugzilla/show_bug.cgimitre
- sourceware.org/bugzilla/show_bug.cgimitre
News mentions
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