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In librt in the GNU C Library (aka glibc) through 2.34 sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.

🗓️ 23 Aug 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Null pointer dereference in glibc mq_notify.c from NOTIFY_REMOVED data, CVE-2021-33574 fix.

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Vulners
Node
microsoftcbl2_glibc_2.35-1Range<2.35-1
OR
microsoftcm1_glibc_2.28-20Range<2.28-20

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16 Dec 2021 08:00Current
7.3High risk
Vulners AI Score7.3
CVSS 27.5
CVSS 3.17.5 - 9.8
EPSS0.0013
SSVC
glibcmq_notifynotify removednull pointervulnerability 2021 33574linux
1