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Related Vulnerabilities: CVE-2021-38604

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.

Source

Severity Low

Remote Yes

Type Denial of service

Description

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.

AVG-1621 glibc 2.33-5 Medium Vulnerable

https://sourceware.org/bugzilla/show_bug.cgi?id=28213
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=b805aebd42364fe696e417808a700fdb9800c9e8

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