Amazon Linux 2023 Security Advisory: ALAS2023-2026-1597
Advisory Released Date: 2026-04-30
Advisory Updated Date: 2026-04-30
Severity:
Medium
Issue Overview:
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. (CVE-2025-2312)
Affected Packages:
cifs-utils
Issue Correction:
Run dnf update cifs-utils --releasever 2023.11.20260427 or dnf update --advisory ALAS2023-2026-1597 --releasever 2023.11.20260427 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
pam_cifscreds-debuginfo-7.5-1.amzn2023.0.3.aarch64
pam_cifscreds-7.5-1.amzn2023.0.3.aarch64
cifs-utils-debuginfo-7.5-1.amzn2023.0.3.aarch64
cifs-utils-debugsource-7.5-1.amzn2023.0.3.aarch64
cifs-utils-devel-7.5-1.amzn2023.0.3.aarch64
cifs-utils-info-7.5-1.amzn2023.0.3.aarch64
cifs-utils-7.5-1.amzn2023.0.3.aarch64
src:
cifs-utils-7.5-1.amzn2023.0.3.src
x86_64:
pam_cifscreds-debuginfo-7.5-1.amzn2023.0.3.x86_64
cifs-utils-debugsource-7.5-1.amzn2023.0.3.x86_64
cifs-utils-debuginfo-7.5-1.amzn2023.0.3.x86_64
cifs-utils-devel-7.5-1.amzn2023.0.3.x86_64
pam_cifscreds-7.5-1.amzn2023.0.3.x86_64
cifs-utils-7.5-1.amzn2023.0.3.x86_64
cifs-utils-info-7.5-1.amzn2023.0.3.x86_64