Thank you all for chipping in and helping in the investigation of this bug. Unfortunately we were not able to pinpoint exactly which upstream commit fixed the problem, but as it turns out samba has been updated to 4.13.14 in Focal by the Security team, and therefore this bug can be considered fixed (at least I cannot reproduce it anymore).
samba (2:4.13.14+dfsg-0ubuntu0.20.04.1) focal-security; urgency=medium * Update to 4.13.14 as a security update (LP: #1950363) - Removed patches included in new version: + CVE-*.patch + zerologon*.patch + 0023-libsmb-Don-t-try-to-find-posix-stat-info-in-SMBC_get.patch + build-Remove-tests-for-getdents-and-getdirentries.patch + fix-double-free-with-unresolved-credentia-cache.patch + wscript-remove-all-checks-for-_FUNC-and-__FUNC.patch + wscript-split-function-check-to-one-per-line-and-sor.patch - Add/Refresh patches from Hirsute package: + Rename-mdfind-to-mdsearch.patch + bug_221618_precise-64bit-prototype.patch + fix-nfs-service-name-to-nfs-kernel-server.patch - debian/control: bump libldb-dev Build-Depends to 2.2.3, bump libtalloc to 2.3.1, libtdb to 1.4.3, and libtevent to 0.10.2. - debian/*.install, debian/*.symbols: sync with Hirsute package, added libdcerpc-pkt-auth.so.0. - debian/rules: build with --enable-spotlight, remove --accel-aes as it is no longer used with gnutls. - debian/control: add libicu-dev to Build-Depends. - debian/patches/trusted_domain_regression_fix.patch: fix regression introduced in 4.13.14. - CVE-2016-2124, CVE-2020-25717, CVE-2020-25718, CVE-2020-25719, CVE-2020-25721, CVE-2020-25722, CVE-2021-3738, CVE-2021-23192 -- Marc Deslauriers <marc.deslauri...@ubuntu.com> Mon, 01 Nov 2021 07:33:25 -0400 I apologize for the delay in getting back to this. The fact that an easy workaround was found makes the situation not as dire as it could have been. ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-2124 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-25717 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-25718 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-25719 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-25721 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-25722 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-23192 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3738 ** Changed in: samba (Ubuntu Focal) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872476 Title: Shared files are shown as folders To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1872476/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs