This bug was fixed in the package cifs-utils - 2:6.9-1ubuntu0.3
---------------
cifs-utils (2:6.9-1ubuntu0.3) focal-security; urgency=medium
* Skip checking the Kerberos TGT if a valid service ticket
is available. (LP: #2099917)
- d/p/lp2099917-cifs-utils-Skip-TGT-check-if-valid-service.patch
* SECURITY UPDATE: namespace confusion may lead to disclosing
sensitive data from host Kerberos credentials cache. (LP: #2099914)
- d/p/CVE-2025-2312-1.patch: CIFS.upcall to accomodate new
namespace mount opt.
- d/p/CVE-2025-2312-2.patch: cifs-utils: add documentation
for upcall_target.
- CVE-2025-2312
-- Matthew Ruffell <[email protected]> Wed, 02 Apr 2025
17:10:02 +1300
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https://bugs.launchpad.net/bugs/2099914
Title:
CVE-2025-2312 cifs.upcall could access incorrect kerberos credentials
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