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FKIE_CVE-2021-43395

Vulnerability from fkie_nvd - Published: 2022-12-26 06:15 - Updated: 2026-06-17 04:10
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
cve@mitre.orghttp://www.tribblix.org/relnotes.htmlRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.cExploit, Third Party Advisory
cve@mitre.orghttps://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.cExploit, Third Party Advisory
cve@mitre.orghttps://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90Patch, Third Party Advisory
cve@mitre.orghttps://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424Vendor Advisory
cve@mitre.orghttps://jgardner100.wordpress.com/2022/01/20/security-heads-up/Third Party Advisory
cve@mitre.orghttps://kebe.com/blog/?p=505Third Party Advisory
cve@mitre.orghttps://www.illumos.org/issues/14424Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.tribblix.org/relnotes.htmlRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.cExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.cExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jgardner100.wordpress.com/2022/01/20/security-heads-up/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kebe.com/blog/?p=505Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.illumos.org/issues/14424Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
illumos illumos *
omniosce omnios r151038
openindiana openindiana hipster_2021.04
joyent smartos 20210923
oracle solaris 10
oracle solaris 11
To clipboard 

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  "lastModified": "2026-06-17T04:10:54.560",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.