CVE-2021-33574

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
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/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gnu:glibc:2.32:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.33:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 11 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

07 Nov 2023, 03:35

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/', 'name': 'FEDORA-2021-f29b4643c7', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/', 'name': 'FEDORA-2021-7ddb8b0537', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/ -

08 Nov 2022, 13:27

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html - (MLIST) https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
First Time Debian debian Linux
Debian

17 Oct 2022, 18:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html -

28 Jan 2022, 20:58

Type Values Removed Values Added
First Time Netapp h300e
Netapp h410s
Netapp e-series Santricity Os Controller
Netapp h410s Firmware
Netapp h700s
Netapp
Fedoraproject fedora
Netapp h500e Firmware
Netapp h700e Firmware
Netapp h300e Firmware
Netapp solidfire Baseboard Management Controller Firmware
Netapp h500s Firmware
Netapp cloud Backup
Netapp h300s Firmware
Netapp h700s Firmware
Netapp h500e
Netapp h700e
Netapp h500s
Netapp h300s
Fedoraproject
CPE cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.33:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.32:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/ - Mailing List, Third Party Advisory
References (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1 - (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1 - Issue Tracking
References (CONFIRM) https://security.netapp.com/advisory/ntap-20210629-0005/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20210629-0005/ - Third Party Advisory
References (GENTOO) https://security.gentoo.org/glsa/202107-07 - (GENTOO) https://security.gentoo.org/glsa/202107-07 - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/ - Mailing List, Third Party Advisory

07 Jul 2021, 03:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202107-07 -

06 Jul 2021, 06:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210629-0005/ -

14 Jun 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/ -

03 Jun 2021, 13:15

Type Values Removed Values Added
References
  • (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1 -
Summary The mq_notify function in the GNU C Library (aka glibc) through 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. 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.

01 Jun 2021, 16:46

Type Values Removed Values Added
References (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=27896 - (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=27896 - Exploit, Issue Tracking, Third Party Advisory
CPE cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8
CWE CWE-416

25 May 2021, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-25 22:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-33574

Mitre link : CVE-2021-33574

CVE.ORG link : CVE-2021-33574

JSON object : View

Products Affected

netapp

  • h700e
  • h700s_firmware
  • h500s_firmware
  • solidfire_baseboard_management_controller_firmware
  • h700s
  • cloud_backup
  • h700e_firmware
  • h300e_firmware
  • h300s_firmware
  • h500e_firmware
  • h500s
  • h410s_firmware
  • h300e
  • h410s
  • h300s
  • e-series_santricity_os_controller
  • h500e

gnu

  • glibc

fedoraproject

  • fedora

debian

  • debian_linux
CWE
CWE-416

Use After Free