The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Fedoraproject
  • Fedora
Feep
  • Libtar
Openatom
  • Openeuler
Redhat
  • Enterprise Linux

Configuration 1 [-]

cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:*
cpe:2.3:o:openatom:openeuler:20.03:sp3:*:*:lts:*:*:*
cpe:2.3:o:openatom:openeuler:22.03:*:*:*:lts:*:*:*

Configuration 3 [-]

OR cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 8
libtar-0:1.2.20-17.el8 cpe:/a:redhat:enterprise_linux:8 RHSA-2023:2898 2023-05-16T00:00:00Z
References
Link Providers
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-33645 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-33645 cve-icon
https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807 cve-icon cve-icon cve-icon
History

Wed, 02 Apr 2025 19:00:00 +0000

Type Values Removed Values Added
First Time appeared Openatom
Openatom openeuler
CPEs cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*
cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*
cpe:2.3:o:huawei:openeuler:22.03:*:*:*:lts:*:*:*		 cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:*
cpe:2.3:o:openatom:openeuler:20.03:sp3:*:*:lts:*:*:*
cpe:2.3:o:openatom:openeuler:22.03:*:*:*:lts:*:*:*
Vendors & Products Huawei
Huawei openeuler
Openatom
Openatom openeuler
cve-icon MITRE

Status: PUBLISHED

Assigner: openEuler

Published:

Updated: 2024-08-03T23:58:21.528Z

Reserved: 2021-05-28T00:00:00

Link: CVE-2021-33645

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-10T20:15:20.573

Modified: 2025-04-02T18:33:53.340

Link: CVE-2021-33645

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-08-10T00:00:00Z

Links: CVE-2021-33645 - Bugzilla