On Wed 28 July 2010 02:38:24 Ankur Sinha wrote:
hi,
I've recently come across an selinux issue.
Is this another selinux issue with the package?
The detailed description says exactly why the notice came up, dude. It's not
an SElinux issue, it's a windows-applications-trying-to-do-stupid-things-with-
memory-that-is-barely-okay-in-windows issue.
(I don't want to switch off selinux.)
regards,
Ankur
> Summary:
>
> SELinux has prevented wine from performing an unsafe memory operation.
>
> Detailed Description:
>
> SELinux denied an operation requested by wine-preloader, a program used
> to run Windows applications under Linux. This program is known to use an
> unsafe operation on system memory but so are a number of malware/exploit
> programs which masquerade as wine. If you were attempting to run a
> Windows program your only choices are to allow this operation and reduce
> your system security against such malware or to refrain from running
> Windows applications under Linux. If you were not attempting to run a
> Windows application this indicates you are likely being attacked by some
> for of malware or program trying to exploit your system for nefarious
> purposes. Please refer to
>
http://wiki.winehq.org/PreloaderPageZeroProblem Which outlines the other
> problems wine encounters due to its unsafe use of memory and solutions to
> those problems.
>
> Allowing Access:
>
> If you decide to continue to run the program in question you will need to
> allow this operation. This can be done on the command line by executing:
> # setsebool -P mmap_low_allowed 1
>
> Fix Command:
>
> /usr/sbin/setsebool -P mmap_low_allowed 1
>
> Additional Information:
>
> Source Context
> unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023 Target Context
> unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023 Target Objects
> None [ memprotect ]
> Source wine-preloader
> Source Path /usr/bin/wine-preloader
> Port <Unknown>
> Host localhost.localdomain
> Source RPM Packages wine-core-1.2.0-1.fc13
> Target RPM Packages
> Policy RPM selinux-policy-3.7.19-39.fc13
> Selinux Enabled True
> Policy Type targeted
> Enforcing Mode Enforcing
> Plugin Name wine
> Host Name localhost.localdomain
> Platform Linux localhost.localdomain
>
> 2.6.33.6-147.fc13.x86_64 #1 SMP Tue Jul 6
> 22:32:17 UTC 2010 x86_64 x86_64
>
> Alert Count 7
> First Seen Wed 28 Jul 2010 14:52:13 IST
> Last Seen Wed 28 Jul 2010 15:05:01 IST
> Local ID 31ffc502-0121-44b8-8cf1-5e02ad32fca1
> Line Numbers
>
> Raw Audit Messages
>
> node=localhost.localdomain type=AVC msg=audit(1280309701.355:60): avc:
> denied { mmap_zero } for pid=11268 comm="wine-preloader"
> scontext=unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023
> tcontext=unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023
> tclass=memprotect
>
> node=localhost.localdomain type=SYSCALL msg=audit(1280309701.355:60):
> arch=40000003 syscall=90 success=no exit=-13 a0=ffe19130 a1=0
> a2=ffe19130 a3=5a items=0 ppid=11109 pid=11268 auid=500 uid=500 gid=500
> euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1
> comm="wine-preloader" exe="/usr/bin/wine-preloader"
> subj=unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023 key=(null)
--
Ryan Rix
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