9.8

CVE-2021-33574

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Glibc Version 2.32
Gnu ≫ Glibc Version 2.33
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Netapp ≫ Cloud Backup Version -
Netapp ≫ E-series Santricity Os Controller Version >= 11.0 <= 11.70.1
Netapp ≫ H300s Firmware Version -
   Netapp ≫ H300s Version -
Netapp ≫ H500s Firmware Version -
   Netapp ≫ H500s Version -
Netapp ≫ H700s Firmware Version -
   Netapp ≫ H700s Version -
Netapp ≫ H300e Firmware Version -
   Netapp ≫ H300e Version -
Netapp ≫ H500e Firmware Version -
   Netapp ≫ H500e Version -
Netapp ≫ H700e Firmware Version -
   Netapp ≫ H700e Version -
Netapp ≫ H410s Firmware Version -
   Netapp ≫ H410s Version -
Debian ≫ Debian Linux Version 10.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.87% 0.854
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NIST 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202107-07
Third Party Advisory
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.netapp.com/advisory/ntap-20210629-0005/
Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=27896
Third Party Advisory
Exploit
Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1
Issue Tracking