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MitreCVE-2021-43395

HistoryDec 26, 2022 - 6:15 a.m.

CVE-2021-43395

2022-12-2606:15:10

CWE-667

mitre

web.nvd.nist.gov

illumos

omnios

openindiana

smartos

solaris

local user

privilege escalation

filesystem manipulation

cve-2021-43395

nvd

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

29.7%

JSON

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.

Affected configurations

Nvd

Node

illumosillumosRange<2022-01-18

Node

omniosceomniosMatchr151038community

Node

openindianaopenindianaMatchhipster_2021.04

Node

joyentsmartosMatch20210923

Node

oraclesolarisMatch10

oraclesolarisMatch11

VendorProductVersionCPE
illumosillumos*cpe:2.3:o:illumos:illumos:*:*:*:*:*:*:*:*
omniosceomniosr151038cpe:2.3:o:omniosce:omnios:r151038:*:*:*:community:*:*:*
openindianaopenindianahipster_2021.04cpe:2.3:o:openindiana:openindiana:hipster_2021.04:*:*:*:*:*:*:*
joyentsmartos20210923cpe:2.3:o:joyent:smartos:20210923:*:*:*:*:*:*:*
oraclesolaris10cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
oraclesolaris11cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
illumos	illumos	*	cpe:2.3:o:illumos:illumos::::::::
omniosce	omnios	r151038	cpe:2.3:o:omniosce:omnios:r151038::::community:::
openindiana	openindiana	hipster_2021.04	cpe:2.3:o:openindiana:openindiana:hipster_2021.04:::::::*
joyent	smartos	20210923	cpe:2.3:o:joyent:smartos:20210923:::::::*
oracle	solaris	10	cpe:2.3:o:oracle:solaris:10:::::::*
oracle	solaris	11	cpe:2.3:o:oracle:solaris:11:::::::*

References

www.tribblix.org/relnotes.html

github.com/illumos/illumos-gate/blob/069654420de4aade43c63c43cd2896e66945fc8a/usr/src/uts/common/fs/tmpfs/tmp_vnops.c

github.com/illumos/illumos-gate/blob/b3403853e80914bd0aade9b5b605da4878078173/usr/src/uts/common/fs/tmpfs/tmp_dir.c

github.com/illumos/illumos-gate/commit/f859e7171bb5db34321e45585839c6c3200ebb90

illumos.topicbox.com/groups/developer/T1c9e4f27f8c2f959/security-heads-up-illumos14424

jgardner100.wordpress.com/2022/01/20/security-heads-up/

kebe.com/blog/?p=505

www.illumos.org/issues/14424

www.oracle.com/security-alerts/cpujan2022.html

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

29.7%

JSON

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