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DescriptionSteffen Froemer
2019-04-09 07:13:28 UTC
Description of problem:
SELinux is preventing /usr/bin/cp from using the fowner capability.
Version-Release number of selected component (if applicable):
selinux-policy-3.13.1-229.el7_6.9.noarch
xz-5.2.2-1.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1.
2.
3.
Actual results:
SELinux is preventing /usr/bin/cp from using the fowner capability.
***** Plugin catchall (100. confidence) suggests **************************
If you believe that cp should have the fowner capability by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
Do
allow this access for now by executing:
# ausearch -c 'cp' --raw | audit2allow -M my-cp
# semodule -i my-cp.pp
Additional Information:
Source Context system_u:system_r:pcp_pmlogger_t:s0
Target Context system_u:system_r:pcp_pmlogger_t:s0
Target Objects Unknown [ capability ]
Source cp
Source Path /usr/bin/cp
Port <Unknown>
Host host1.example.com
Source RPM Packages xz-5.2.2-1.el7.x86_64
Target RPM Packages
Policy RPM selinux-policy-3.13.1-229.el7_6.9.noarch
Selinux Enabled True
Policy Type targeted
Enforcing Mode Enforcing
Host Name host1.example.com
Platform Linux host1 3.10.0-957.10.1.el7.x86_64 #1 SMP
Thu Feb 7 07:12:53 UTC 2019 x86_64 x86_64
Alert Count 3
First Seen 2019-04-08 09:01:21 UTC
Last Seen 2019-04-08 09:01:23 UTC
Local ID e7c9f6ac-1f40-4569-b633-9075667dd71c
Raw Audit Messages
type=AVC msg=audit(1554714083.157:162): avc: denied { fowner } for pid=18934 comm="xz" capability=3 scontext=system_u:system_r:pcp_pmlogger_t:s0 tcontext=system_u:system_r:pcp_pmlogger_t:s0 tclass=capability permissive=0
type=SYSCALL msg=audit(1554714083.157:162): arch=x86_64 syscall=utimensat success=no exit=EPERM a0=6 a1=0 a2=7ffea3ad1160 a3=0 items=0 ppid=18932 pid=18934 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=xz exe=/usr/bin/xz subj=system_u:system_r:pcp_pmlogger_t:s0 key=(null)
Hash: cp,pcp_pmlogger_t,pcp_pmlogger_t,capability,fowner
Expected results:
should work
Additional info:
Thanks for the report Steffen. I've verified that AVC is resolved in more recent PCP selinux-policy versions and the fix will be in RHEL 7.7 (via rebase).
*** This bug has been marked as a duplicate of bug 1647308 ***
Description of problem: SELinux is preventing /usr/bin/cp from using the fowner capability. Version-Release number of selected component (if applicable): selinux-policy-3.13.1-229.el7_6.9.noarch xz-5.2.2-1.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1. 2. 3. Actual results: SELinux is preventing /usr/bin/cp from using the fowner capability. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that cp should have the fowner capability by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'cp' --raw | audit2allow -M my-cp # semodule -i my-cp.pp Additional Information: Source Context system_u:system_r:pcp_pmlogger_t:s0 Target Context system_u:system_r:pcp_pmlogger_t:s0 Target Objects Unknown [ capability ] Source cp Source Path /usr/bin/cp Port <Unknown> Host host1.example.com Source RPM Packages xz-5.2.2-1.el7.x86_64 Target RPM Packages Policy RPM selinux-policy-3.13.1-229.el7_6.9.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name host1.example.com Platform Linux host1 3.10.0-957.10.1.el7.x86_64 #1 SMP Thu Feb 7 07:12:53 UTC 2019 x86_64 x86_64 Alert Count 3 First Seen 2019-04-08 09:01:21 UTC Last Seen 2019-04-08 09:01:23 UTC Local ID e7c9f6ac-1f40-4569-b633-9075667dd71c Raw Audit Messages type=AVC msg=audit(1554714083.157:162): avc: denied { fowner } for pid=18934 comm="xz" capability=3 scontext=system_u:system_r:pcp_pmlogger_t:s0 tcontext=system_u:system_r:pcp_pmlogger_t:s0 tclass=capability permissive=0 type=SYSCALL msg=audit(1554714083.157:162): arch=x86_64 syscall=utimensat success=no exit=EPERM a0=6 a1=0 a2=7ffea3ad1160 a3=0 items=0 ppid=18932 pid=18934 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=xz exe=/usr/bin/xz subj=system_u:system_r:pcp_pmlogger_t:s0 key=(null) Hash: cp,pcp_pmlogger_t,pcp_pmlogger_t,capability,fowner Expected results: should work Additional info: