Bug 2352604 (CVE-2025-2312)

Summary: CVE-2025-2312 cifs-utils: kernel: cifs-utils: cifs.upcall makes an upcall to the wrong namespace in containerized environments
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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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.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2025-03-14 18:23:38 UTC
While trying to get Kerberos credentials, cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This may lead to a disclosure of sensitive data from the host's Kerberos credentials cache.