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cve[email protected]CVE-2021-33574
HistoryMay 25, 2021 - 10:15 p.m.

CVE-2021-33574

2021-05-2522:15:10
CWE-416
[email protected]
web.nvd.nist.gov
273
8
cve-2021-33574
glibc
mq_notify
use-after-free
denial of service
application crash
nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.014

Percentile

86.4%

JSON

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

NVD
Node
gnuglibcMatch2.32
OR
gnuglibcMatch2.33
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
netappcloud_backupMatch-
OR
netappe-series_santricity_os_controllerRange11.0–11.70.1
OR
netappsolidfire_baseboard_management_controller_firmwareMatch-
Node
netapph300s_firmwareMatch-
AND
netapph300sMatch-
Node
netapph500s_firmwareMatch-
AND
netapph500sMatch-
Node
netapph700s_firmwareMatch-
AND
netapph700sMatch-
Node
netapph300e_firmwareMatch-
AND
netapph300eMatch-
Node
netapph500e_firmwareMatch-
AND
netapph500eMatch-
Node
netapph700e_firmwareMatch-
AND
netapph700eMatch-
Node
netapph410s_firmwareMatch-
AND
netapph410sMatch-
Node
debiandebian_linuxMatch10.0
VendorProductVersionCPE
gnuglibc2.32cpe:/a:gnu:glibc:2.32:::
gnuglibc2.33cpe:/a:gnu:glibc:2.33:::

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CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

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User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.014

Percentile

86.4%

JSON
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