CVEvulnerability
CVE-2021-43395
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-12-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-667
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.
Affected configurations
• illumos illumos (< 2022-01-18)
• omniosce omnios r151038
• openindiana openindiana hipster 2021.04
• joyent smartos 20210923
• oracle solaris 10
• oracle solaris 11
Related
Weakness · CWE (1)
- CWE-667 Improper Locking weakness
References
- http://www.tribblix.org/relnotes.html Release Notes, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c Exploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c Exploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90 Patch, Third Party Advisory
- https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424 Vendor Advisory
- https://jgardner100.wordpress.com/2022/01/20/security-heads-up/ Third Party Advisory
- https://kebe.com/blog/?p=505 Third Party Advisory
- https://www.illumos.org/issues/14424 Issue Tracking, Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory
- http://www.tribblix.org/relnotes.html Release Notes, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c Exploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c Exploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90 Patch, Third Party Advisory
- https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424 Vendor Advisory
- https://jgardner100.wordpress.com/2022/01/20/security-heads-up/ Third Party Advisory
- https://kebe.com/blog/?p=505 Third Party Advisory
- https://www.illumos.org/issues/14424 Issue Tracking, Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory