OESA-2021-1328

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OESA-2021-1328

Summary: glibc security update

Details: The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational facilities as open, read, write, malloc, printf, getaddrinfo, dlopen, pthread_create, crypt, login, exit and more. Security Fix(es): 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.(CVE-2021-38604)

References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1328, https://nvd.nist.gov/vuln/detail/CVE-2021-38604