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From: "Günther Noack" <gnoack3000@gmail.com>
To: Alejandro Colomar <alx@kernel.org>
Cc: "Günther Noack" <gnoack3000@gmail.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Jared Finder" <jared@finder.org>, "Jann Horn" <jannh@google.com>,
	"Hanno Böck" <hanno@hboeck.de>,
	"Jiri Slaby" <jirislaby@kernel.org>,
	"Kees Cook" <kees@kernel.org>,
	linux-man@vger.kernel.org
Subject: [PATCH] man/man2const/TIOCLINUX.2const: Document CAP_SYS_ADMIN requirement for TIOCL_SETSEL modes
Date: Thu,  1 May 2025 13:00:23 +0200	[thread overview]
Message-ID: <20250501110024.9225-2-gnoack3000@gmail.com> (raw)

CAP_SYS_ADMIN was previously required for the entire TIOCL_SETSEL
subcode, but is now only needed for a subset of the selection modes,
since linux.git 2f83e38a095f ("tty: Permit some TIOCL_SETSEL modes
without CAP_SYS_ADMIN").

The CAP_SYS_ADMIN requirement for TIOCL_SELMOUSEREPORT was further
corrected in linux.git ee6a44da3c87 ("tty: Require CAP_SYS_ADMIN for
all usages of TIOCL_SELMOUSEREPORT").

Link: <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=2f83e38a095f8bf7c6029883d894668b03b9bd93>
Link: <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ee6a44da3c87cf64d67dd02be8c0127a5bf56175>
Signed-off-by: Günther Noack <gnoack3000@gmail.com>
---
 man/man2const/TIOCLINUX.2const | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/man/man2const/TIOCLINUX.2const b/man/man2const/TIOCLINUX.2const
index 61f1c596d..f48132ea1 100644
--- a/man/man2const/TIOCLINUX.2const
+++ b/man/man2const/TIOCLINUX.2const
@@ -72,18 +72,30 @@ may be one of the following operations:
 Select character-by-character.
 The indicated screen characters are highlighted
 and saved in a kernel buffer.
+.IP
+Since Linux 6.7, using this selection mode requires the
+.B CAP_SYS_ADMIN
+capability.
 .TP
 .B TIOCL_SELWORD
 Select word-by-word,
 expanding the selection outwards to align with word boundaries.
 The indicated screen characters are highlighted
 and saved in a kernel buffer.
+.IP
+Since Linux 6.7, using this selection mode requires the
+.B CAP_SYS_ADMIN
+capability.
 .TP
 .B TIOCL_SELLINE
 Select line-by-line,
 expanding the selection outwards to select full lines.
 The indicated screen characters are highlighted
 and saved in a kernel buffer.
+.IP
+Since Linux 6.7, using this selection mode requires the
+.B CAP_SYS_ADMIN
+capability.
 .TP
 .B TIOCL_SELPOINTER
 Show the pointer at position
@@ -118,11 +130,11 @@ If mouse reporting is not enabled for the terminal,
 this operation yields an
 .B EINVAL
 error.
-.RE
 .IP
-Since Linux 6.7, using this subcode requires the
+Since Linux 6.12.26, using this selection mode requires the
 .B CAP_SYS_ADMIN
 capability.
+.RE
 .TP
 .BR subcode = TIOCL_PASTESEL
 Paste selection.
-- 
2.49.0


             reply	other threads:[~2025-05-01 11:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-01 11:00 Günther Noack [this message]
2025-05-01 15:05 ` [PATCH] man/man2const/TIOCLINUX.2const: Document CAP_SYS_ADMIN requirement for TIOCL_SETSEL modes Alejandro Colomar
2025-05-01 19:33   ` Günther Noack
2025-05-01 20:19     ` Alejandro Colomar
2025-05-02 10:16       ` Günther Noack

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