CVE-2021-44142
The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root.
Key facts
- CVSS score
- 8.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-125
- EPSS score
- 73.6% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2021-30995)
- Published
- February 21, 2022
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2021-30995 in the EU Vulnerability Database. Last updated in EUVD on April 23, 2025.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- debian / debian linux
- fedoraproject / fedora
- fedoraproject / fedora
- redhat / codeready linux builder
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux desktop
- redhat / enterprise linux eus
- redhat / enterprise linux eus
- redhat / enterprise linux for ibm z systems
- redhat / enterprise linux for ibm z systems
- redhat / enterprise linux for ibm z systems eus
- redhat / enterprise linux for ibm z systems eus
- redhat / enterprise linux for power big endian
- redhat / enterprise linux for power little endian
- redhat / enterprise linux for power little endian
- redhat / enterprise linux for power little endian eus
- redhat / enterprise linux for power little endian eus
- redhat / enterprise linux for scientific computing
- redhat / enterprise linux resilient storage
- redhat / enterprise linux server
- redhat / enterprise linux server
- redhat / enterprise linux server aus
- redhat / enterprise linux server aus
- redhat / enterprise linux server tus
- redhat / enterprise linux server tus
- redhat / enterprise linux server update services for sap solutions
- redhat / enterprise linux server update services for sap solutions
- redhat / enterprise linux server update services for sap solutions
- redhat / enterprise linux workstation
- redhat / gluster storage
- redhat / virtualization host
- samba / samba
- synology / diskstation manager
Certified products that may be affected
25 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
- Red Hat Enterprise Linux 8 OpenSSL Cryptographic Module - Red Hat®, Inc. - FIPS 140 4642 - historical
- Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat®, Inc. - FIPS 140 4458 - historical
See all 25 in the Security Certifications Explorer.
References
- https://bugzilla.samba.org/show_bug.cgi?id=14914
- https://kb.cert.org/vuls/id/119678
- https://security.gentoo.org/glsa/202309-06
- https://www.kb.cert.org/vuls/id/119678
- https://www.samba.org/samba/security/CVE-2021-44142.html
- https://www.zerodayinitiative.com/blog/2022/2/1/cve-2021-44142-details-on-a-samba-code-execution-bug-demonstrated-at-pwn2own-austin
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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