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These commits need to be backported:
commit 0b26432144f0b6f2140b974b9c508d991286bfa4
Author: Zdenek Pytela <zpytela>
Date: Mon Jan 4 19:50:49 2021 +0100
Allow domain stat /proc filesystem
Resolves: rhbz#1892401
commit d190cec28e8a29db86ad3b0bc57a66107e781d42
Author: Zdenek Pytela <zpytela>
Date: Mon Jan 4 19:48:17 2021 +0100
Remove all kernel_getattr_proc() interface calls
All individual permissions to allow stat the /proc filesystem
will be replaced by allowing it for all types in the domain attribute.
commit 4ff1ffe65c898aa4707f9fca5324b83613a1ae5f
Author: Zdenek Pytela <zpytela>
Date: Mon Jan 4 19:41:19 2021 +0100
Revert "Allow passwd to get attributes in proc_t"
This reverts commit 44a5636ce1fb9d8d306fe49b821b84114ab28746.
The permission to stat the /proc filesystem rather needs to be allowed
for all types in the domain attribute.
commit f01b1545610dcf9c6af470b5a15538d089df9cb6
Author: Zdenek Pytela <zpytela>
Date: Mon Jan 4 19:35:47 2021 +0100
Revert "Allow dovecot_auth_t stat /proc filesystem"
This reverts commit 757eb7fb51305e86a1ae296f7c69d694e0177749.
The permission to stat the /proc filesystem rather needs to be allowed
for all types in the domain attribute.
commit 125d471b67a4c80dd0f33d82f361e7f12a258de9
Author: Zdenek Pytela <zpytela>
Date: Mon Jan 4 19:34:21 2021 +0100
Revert "Allow sssd, unix_chkpwd, groupadd stat /proc filesystem"
This reverts commit 785340ee2d313990024653ce2dd028d34bdeecd9.
The permission to stat the /proc filesystem rather needs to be allowed
for all types in the domain attribute.
For CentOS Stream 8 users, take note this was fixed in selinux-policy-3.14.3-70.el8, and we shipped selinux-policy-3.14.3-71.el8 (the next higher release which also contained the fix) on 2021-06-17.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (selinux-policy bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:4420