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tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc
authorThadeu Lima de Souza Cascardo <cascardo@canonical.com>
Mon, 31 Jul 2023 18:59:42 +0000 (15:59 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 4 Aug 2023 13:06:54 +0000 (15:06 +0200)
commit67c37756898a5a6b2941a13ae7260c89b54e0d88
tree1626bda542350085e324d28c9cecd7c5a9ec635dtree | snapshot
parentfcb451ff66b4e07de78faefb07549b139b54b943commit | diff
tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc

Any unprivileged user can attach N_GSM0710 ldisc, but it requires
CAP_NET_ADMIN to create a GSM network anyway.

Require initial namespace CAP_NET_ADMIN to do that.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Link: https://lore.kernel.org/r/20230731185942.279611-1-cascardo@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/n_gsm.c diff | blob | history
Domain: System / Kernel;