Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Illumos | Illumos | < 2022-01-18 |
| Omniosce | Omnios | r151038 |
| Openindiana | Openindiana | hipster_2021.04 |
| Joyent | Smartos | 20210923 |
| Oracle | Solaris | 10 |
Related Weaknesses (CWE)
References
- http://www.tribblix.org/relnotes.htmlRelease NotesThird Party Advisory
- https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e6694ExploitThird Party Advisory
- https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da48780ExploitThird Party Advisory
- https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c32PatchThird Party Advisory
- https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-uVendor Advisory
- https://jgardner100.wordpress.com/2022/01/20/security-heads-up/Third Party Advisory
- https://kebe.com/blog/?p=505Third Party Advisory
- https://www.illumos.org/issues/14424Issue TrackingPatchVendor Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
- http://www.tribblix.org/relnotes.htmlRelease NotesThird Party Advisory
- https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e6694ExploitThird Party Advisory
- https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da48780ExploitThird Party Advisory
- https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c32PatchThird Party Advisory
- https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-uVendor Advisory
- https://jgardner100.wordpress.com/2022/01/20/security-heads-up/Third Party Advisory
FAQ
What is CVE-2021-43395?
CVE-2021-43395 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was discovered in illumos before f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04, and SmartOS 20210923. A local unprivileged user can c...
How severe is CVE-2021-43395?
CVE-2021-43395 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43395?
Check the references section above for vendor advisories and patch information. Affected products include: Illumos Illumos, Omniosce Omnios, Openindiana Openindiana, Joyent Smartos, Oracle Solaris.