diff options
Diffstat (limited to 'app-misc/screen/files/screen-4.9.0-CVE-2023-24626.patch')
| -rw-r--r-- | app-misc/screen/files/screen-4.9.0-CVE-2023-24626.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/app-misc/screen/files/screen-4.9.0-CVE-2023-24626.patch b/app-misc/screen/files/screen-4.9.0-CVE-2023-24626.patch new file mode 100644 index 000000000000..07dec8ecdd28 --- /dev/null +++ b/app-misc/screen/files/screen-4.9.0-CVE-2023-24626.patch @@ -0,0 +1,33 @@ +From e9ad41bfedb4537a6f0de20f00b27c7739f168f7 Mon Sep 17 00:00:00 2001 +From: Alexander Naumov <alexander_naumov@opensuse.org> +Date: Mon, 30 Jan 2023 17:22:25 +0200 +Subject: fix: missing signal sending permission check on failed query messages + +Signed-off-by: Alexander Naumov <alexander_naumov@opensuse.org> +--- + socket.c | 9 +++++++-- + 1 file changed, 7 insertions(+), 2 deletions(-) + +diff --git a/socket.c b/socket.c +index 147dc54..54d8cb8 100644 +--- a/socket.c ++++ b/socket.c +@@ -1285,11 +1285,16 @@ ReceiveMsg() + else + queryflag = -1; + +- Kill(m.m.command.apid, ++ if (CheckPid(m.m.command.apid)) { ++ Msg(0, "Query attempt with bad pid(%d)!", m.m.command.apid); ++ } ++ else { ++ Kill(m.m.command.apid, + (queryflag >= 0) + ? SIGCONT + : SIG_BYE); /* Send SIG_BYE if an error happened */ +- queryflag = -1; ++ queryflag = -1; ++ } + } + break; + case MSG_COMMAND: |