VulnerabilityModified
CVE-2021-43395
An issue was discovered in illumos before f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04, and SmartOS 20210923.
MEDIUM 5.5EPSS 0.32%
Does this matter?
Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.32% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Affected
- illumos/illumos · omniosce/omnios · openindiana/openindiana · joyent/smartos · oracle/solaris
- Source
- cve@mitre.org
References
- http://www.tribblix.org/relnotes.htmlRelease Notes, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.cExploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.cExploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90Patch, Third Party Advisory
- https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424Vendor 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 Tracking, Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- http://www.tribblix.org/relnotes.htmlRelease Notes, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.cExploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.cExploit, Third Party Advisory
- https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90Patch, Third Party Advisory
- https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424Vendor 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 Tracking, Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.