Vulnerability Monitor

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CVE-2021-43395

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.

Published

2022-12-26T06:15:10.677

Last Modified

2025-04-14T16:15:17.767

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses

Type: Primary
CWE-667
Type: Secondary
CWE-667

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	illumos	illumos	< 2022-01-18	Yes
Operating System	omniosce	omnios	r151038	Yes
Operating System	openindiana	openindiana	hipster_2021.04	Yes
Operating System	joyent	smartos	20210923	Yes
Operating System	oracle	solaris	10	Yes
Operating System	oracle	solaris	11	Yes

References

http://www.tribblix.org/relnotes.html Release Notes, Third Party Advisory ([email protected])
https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c Exploit, Third Party Advisory ([email protected])
https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c Exploit, Third Party Advisory ([email protected])
https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90 Patch, Third Party Advisory ([email protected])
https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424 Vendor Advisory ([email protected])
https://jgardner100.wordpress.com/2022/01/20/security-heads-up/ Third Party Advisory ([email protected])
https://kebe.com/blog/?p=505 Third Party Advisory ([email protected])
https://www.illumos.org/issues/14424 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory ([email protected])
http://www.tribblix.org/relnotes.html Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://jgardner100.wordpress.com/2022/01/20/security-heads-up/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://kebe.com/blog/?p=505 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.illumos.org/issues/14424 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)