CVE-2021-43395

https://notcve.org/view.php?id=CVE-2021-43395

An issue was discovered in illumos before f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04, and SmartOS 20210923. A local unprivileged user can cause a deadlock and kernel panic via crafted rename and rmdir calls on tmpfs filesystems. Oracle Solaris 10 and 11 is also affected. Se descubrió un problema en illumos antes de f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04 y SmartOS 20210923. Un usuario local sin privilegios puede provocar un punto muerto y pánico en el kernel mediante llamadas de cambio de nombre y rmdir manipuladas en sistemas de archivos tmpfs. • http://www.tribblix.org/relnotes.html https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90 https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424 https://jgardner100.wordpress.com/2022/01/20/security-heads-up • CWE-667: Improper Locking •