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Fedora 33 FEDORA-2021-f29b4643c7 Moderate Glibc Use-After-Free

This `glibc` update re-enables `valgrind` suppression support for string functions. It addresses `valgrind` false positives on the aarch64 architecture in particular. ---- This glibc update fixes a use-after-free in the `mq_notify` function (CVE-2021-33574).. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2021-f29b4643c7 2021-07-07 01:03:57.431634 --------------------------------------------------------------------------------Name : glibc Product : Fedora 33 Version : 2.32 Release : 8.fc33 URL : Summary : The GNU libc libraries Description : The glibc package contains standard libraries which are used by multiple programs on the system. In order to save disk space and memory, as well as to make upgrading easier, common system code is kept in one place and shared between programs. This particular package contains the most important sets of shared libraries: the standard C library and the standard math library. Without these two libraries, a Linux system will not function. --------------------------------------------------------------------------------Update Information: This `glibc` update re-enables `valgrind` suppression support for string functions. It addresses `valgrind` false positives on the aarch64 architecture in particular. ---- This glibc update fixes a use-after-free in the `mq_notify` function (CVE-2021-33574). --------------------------------------------------------------------------------ChangeLog: * Mon Jun 21 2021 Florian Weimer - 2.32-8 - Add valgrind support symbols to libc.so.6's symtab (#1965374) * Fri Jun 11 2021 Arjun Shankar - 2.32-7 - Auto-sync with upstream branch release/2.32/master, commit 16949aeaa078b5994a333980d7a6cd5705d5e1f7: - Fix use of __pthread_attr_copy in mq_notify (bug 27896) - Use __pthread_attr_copy in mq_notify (bug 27896) --------------------------------------------------------------------------------References: [ 1 ] Bug#1965374 - glibc: valgrind suppressions no longer active after debuginfo removal https://bugzilla.redhat.com/show_bug.cgi?id=1965374 [ 2 ] Bug #1965410 - CVE-2021-33574 glibc: mq_notify does not handle separately allocated thread attributes [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1965410 --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2021-f29b4643c7' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ --------------------------------------------------------------------------------_______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure . Fedora 33 receives a glibc update that resolves a critical use-after-free vulnerability while also restoring support for valgrind suppression.. glibc Update,Fedora Security,use-after-free Fix. . LinuxSecurity.com Team

Jul 06, 2021 Fedora