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High DSA-5842-1 3 CVEs

openafs - security update

Published Jan 11, 2025 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 12 openafs 1.8.9-1+deb12u1

Vulnerabilities 3

  • High 8.4

    Theft of credentials in Unix client PAGs

    A local user can bypass the OpenAFS PAG (Process Authentication Group) throttling mechanism in Unix clients, allowing the user to create a PAG using an existing id number, effectively joining the PAG and letting the user steal the credentials in that PAG.

  • High 7.7

    Preallocated buffer overflows in XDR responses

    A malicious server can crash the OpenAFS cache manager and other client utilities, and possibly execute arbitrary code.

  • Medium 6.5

    Fileserver crash and possible information leak on StoreACL/FetchACL

    An authenticated user can provide a malformed ACL to the fileserver's StoreACL RPC, causing the fileserver to crash, possibly expose uninitialized memory, and possibly store garbage data in the audit log. Malformed ACLs provided in responses to client FetchAC…