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Medium ALAS2023-2026-1597 1 CVE

Moderate: cifs-utils security update (Amazon Linux 2023)

Published Apr 27, 2026 · Updated Apr 30, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-2312: A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache.

Fixed packages 7

ReleasePackageFixed in
Amazon Linux · 2023 cifs-utils 0:7.5-1.amzn2023.0.3
Amazon Linux · 2023 cifs-utils-debuginfo 0:7.5-1.amzn2023.0.3
Amazon Linux · 2023 cifs-utils-debugsource 0:7.5-1.amzn2023.0.3
Amazon Linux · 2023 cifs-utils-devel 0:7.5-1.amzn2023.0.3
Amazon Linux · 2023 cifs-utils-info 0:7.5-1.amzn2023.0.3
Amazon Linux · 2023 pam_cifscreds 0:7.5-1.amzn2023.0.3
Amazon Linux · 2023 pam_cifscreds-debuginfo 0:7.5-1.amzn2023.0.3

Vulnerabilities 1

  • Medium 5.9
    CVE-2025-2312

    cifs.upcall makes an upcall to the wrong namespace in containerized environments

    A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the hos…

    cifs-utils cifs-utils linux-raspi2 linux-hwe Debian Ubuntu Azure Linux

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-2312.html