Ahmed, I cannot run 1) : ^C[root@localhost ~]# execstack -c /usr/sbin/slmodemd -c USA /dev/slamr0 execstack: cannot open "USA": No such file or directory execstack: "/dev/slamr0" is not an ELF file C[root@localhost ~]# execstack -c /usr/sbin/slmodemd -c USA /dev/slamr0 execstack: cannot open "USA": No such file or directory execstack: "/dev/slamr0" is not an ELF file I have to use: [root@localhost ~]# slmodemd -c USA /dev/slamr0 SmartLink Soft Modem: version 2.9.11 Mar 12 2010 18:28:10 symbolic link `/dev/ttySL0' -> `/dev/pts/2' created. modem `slamr0' created. TTY is `/dev/pts/2' Use `/dev/ttySL0' as modem device, Ctrl+C for termination. device 10b9:5459 is grabbed by driver serial: try to release serial 0000:05:02.0: PCI INT A disabled slamr: module license 'Smart Link Ltd.' taints kernel. Disabling lock debugging due to kernel taint slamr: SmartLink AMRMO modem. slamr: probe 10b9:5459 SL1800 card... slamr 0000:05:02.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 slamr: mc97 codec is SIL26 slamr: slamr0 is SL1800 card. PPP generic driver version 2.4.2 PPP Deflate Compression module registered [olivares@localhost ~]$ uname -r 2.6.32.9-70.fc12.i686.PAE Is there anything else I can do? I am not sure that I did it right and sorry for not getting back. I have been kind of busy :( Regards, Antonio On 3/12/10, أحمد المحمودي <aelmahmoudy@xxxxxxxxxx> wrote: > Hello, > > I got the following security vulnerability report from an Ubuntu > developer, > > On Thu, Mar 11, 2010 at 09:02:43PM -0000, Kees Cook wrote: >> *** This bug is a security vulnerability *** >> >> Public security bug reported: >> >> execstack -q /usr/sbin/slmodemd >> X /usr/sbin/slmodemd >> >> This is potentially dangerous, and should be addressed. Please see: >> https://wiki.ubuntu.com/SecurityTeam/Roadmap/ExecutableStacks >> for details. > ---end quoted text--- > > He mentioned in a following email that issue is caused by dsplibs.o, > anyways, according to the wiki page mentioned above, this can be > solved by running the following after building slmodemd: > > execstack -c slmodemd > > I can do this in the Debian/Ubuntu package, but I need to make sure > that it won't break the usability of sl-modem, can Antonio or others > test the following: > > 1) Run: execstack -c /usr/sbin/slmodemd (I assume that slmodemd is > installed in /usr/sbin on your systems) > > 2) Try using the modem (internet, faxing,...) with the modified > slmodemd, please try two cases: > a) with ALSA driver > b) with slamr driver > > I might be able to get my hands on a machine that has a smartlink > modem (but using ALSA driver) today, in that case I'll try testing > case (a). > > -- > أحمد المحمودي (Ahmed El-Mahmoudy) > Digital design engineer > GPG KeyID: 0xEDDDA1B7 > GPG Fingerprint: 8206 A196 2084 7E6D 0DF8 B176 BC19 6A94 EDDD A1B7 >