CVEvulnerability
CVE-2021-33574
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-05-25
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• gnu glibc 2.32
• gnu glibc 2.33
• fedoraproject fedora 33
• fedoraproject fedora 34
• netapp cloud backup
• netapp e-series santricity os controller (>= 11.0 <= 11.70.1)
• netapp solidfire baseboard management controller firmware
• netapp h300s firmware
• netapp h500s firmware
• netapp h700s firmware
• netapp h300e firmware
• netapp h500e firmware
• netapp h700e firmware
• netapp h410s firmware
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202107-07 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210629-0005/ Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896 Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202107-07 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210629-0005/ Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896 Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1 Issue Tracking
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html cert-portal.siemens.com