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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
gnuglibc
2.32
gnuglibc
2.33
netappcloud_backup
-
netappe-series_santricity_os_controller
11.0 ≤
𝑥
≤ 11.70.1
netappsolidfire_baseboard_management_controller_firmware
-
netapph300s_firmware
-
netapph500s_firmware
-
netapph700s_firmware
-
netapph300e_firmware
-
netapph500e_firmware
-
netapph700e_firmware
-
netapph410s_firmware
-
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
glibc
bullseye
2.31-13+deb11u11
fixed
bullseye (security)
2.31-13+deb11u10
fixed
bookworm
2.36-9+deb12u8
fixed
bookworm (security)
2.36-9+deb12u7
fixed
sid
2.40-3
fixed
trixie
2.40-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
eglibc
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
dne
xenial
dne
trusty
ignored
glibc
jammy
not-affected
impish
not-affected
hirsute
ignored
groovy
ignored
focal
ignored
bionic
ignored
xenial
ignored
trusty
dne