Medium severity5.5NVD Advisory· Published Dec 26, 2022· Updated Jun 17, 2026
CVE-2021-43395
CVE-2021-43395
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11- cpe:2.3:o:openindiana:openindiana:hipster_2021.04:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*
- (no CPE)range: 10 and 11
- Range: r151038
- Range: 2021.04
Patches
Vulnerability mechanics
References
9- github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90nvdPatchThird Party Advisory
- www.illumos.org/issues/14424nvdIssue TrackingPatchVendor Advisory
- www.oracle.com/security-alerts/cpujan2022.htmlnvdPatchThird Party Advisory
- github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.cnvdExploitThird Party Advisory
- github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.cnvdExploitThird Party Advisory
- www.tribblix.org/relnotes.htmlnvdRelease NotesThird Party Advisory
- illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424nvdVendor Advisory
- jgardner100.wordpress.com/2022/01/20/security-heads-up/nvdThird Party Advisory
- kebe.com/blog/nvdThird Party Advisory
News mentions
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