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.

CVSS v3.0 5.5 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424	Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	Patch Third Party Advisory
https://www.illumos.org/issues/14424	Issue Tracking Patch Vendor Advisory
https://jgardner100.wordpress.com/2022/01/20/security-heads-up/	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://kebe.com/blog/?p=505	Third Party Advisory
http://www.tribblix.org/relnotes.html	Release Notes Third Party Advisory
https://github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:illumos:illumos:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:omniosce:omnios:r151038:*:*:*:community:*:*:*

Configuration 3 (hide)

cpe:2.3:o:openindiana:openindiana:hipster_2021.04:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:o:joyent:smartos:20210923:*:*:*:*:*:*:*

Configuration 5 (hide)

OR	cpe:2.3:o:oracle:solaris:11:::::::*
	cpe:2.3:o:oracle:solaris:10:::::::*

Information

Published : 2022-12-25 22:15

Updated : 2023-01-05 09:26

NVD link : CVE-2021-43395

Mitre link : CVE-2021-43395

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

openindiana

openindiana

joyent

smartos

omniosce

omnios

illumos

illumos

oracle

solaris

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