Vulnerability Details CVE-2021-33574
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
- 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/
- 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.debian.org/debian-lts-announce/2022/10/msg00021.html
- 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/
- 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
Products affected by CVE-2021-33574
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cpe:2.3:a:gnu:glibc:2.32
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cpe:2.3:a:gnu:glibc:2.33
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cpe:2.3:a:netapp:cloud_backup:-
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0.0
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.20
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.25
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30.5r3
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.3r2
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.5
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.1
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.0
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.1
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.3
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cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.1
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cpe:2.3:h:netapp:h300e:-
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cpe:2.3:h:netapp:h300s:-
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cpe:2.3:h:netapp:h410s:-
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cpe:2.3:h:netapp:h500e:-
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cpe:2.3:h:netapp:h500s:-
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cpe:2.3:h:netapp:h700e:-
-
cpe:2.3:h:netapp:h700s:-
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34
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cpe:2.3:o:netapp:h300e_firmware:-
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cpe:2.3:o:netapp:h300s_firmware:-
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cpe:2.3:o:netapp:h410s_firmware:-
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cpe:2.3:o:netapp:h500e_firmware:-
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cpe:2.3:o:netapp:h500s_firmware:-
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cpe:2.3:o:netapp:h700e_firmware:-
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cpe:2.3:o:netapp:h700s_firmware:-
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cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-