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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:26:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:26:58 +0000 |
commit | 4722d4b7980d6fd8145e2e9f08492d951ea261d1 (patch) | |
tree | 7ab498b39f5bdce46b1bbc41ef5201322df4e2d4 /debian/patches/sandbox-seccomp-ipc.patch | |
parent | Adding upstream version 1:7.9p1. (diff) | |
download | openssh-4722d4b7980d6fd8145e2e9f08492d951ea261d1.tar.xz openssh-4722d4b7980d6fd8145e2e9f08492d951ea261d1.zip |
Adding debian version 1:7.9p1-10+deb10u2.debian/1%7.9p1-10+deb10u2debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | debian/patches/sandbox-seccomp-ipc.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/debian/patches/sandbox-seccomp-ipc.patch b/debian/patches/sandbox-seccomp-ipc.patch new file mode 100644 index 0000000..51ce220 --- /dev/null +++ b/debian/patches/sandbox-seccomp-ipc.patch @@ -0,0 +1,48 @@ +From 6f794127bd7d332c1d88a3e35eda97dac4530a15 Mon Sep 17 00:00:00 2001 +From: Jeremy Drake <github@jdrake.com> +Date: Fri, 11 Oct 2019 18:31:05 -0700 +Subject: Deny (non-fatal) ipc in preauth privsep child. + +As noted in openssh/openssh-portable#149, i386 does not have have +_NR_shmget etc. Instead, it has a single ipc syscall (see man 2 ipc, +https://linux.die.net/man/2/ipc). Add this syscall, if present, to the +list of syscalls that seccomp will deny non-fatally. + +[cjwatson: For backporting to buster, I've dropped the previous change +to allow ipc on s390. Upstream refused that since it opens security +weaknesses and doesn't currently seem to be needed, so I'd already +dropped that for bullseye.] + +Bug-Debian: https://bugs.debian.org/946242 +Origin: backport, https://anongit.mindrot.org/openssh.git/commit/?id=30f704ebc0e9e32b3d12f5d9e8c1b705fdde2c89 +Last-Update: 2020-01-11 + +Patch-Name: sandbox-seccomp-ipc.patch +--- + sandbox-seccomp-filter.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c +index e8f31555e..9b6aea8db 100644 +--- a/sandbox-seccomp-filter.c ++++ b/sandbox-seccomp-filter.c +@@ -158,6 +158,9 @@ static const struct sock_filter preauth_insns[] = { + #ifdef __NR_shmdt + SC_DENY(__NR_shmdt, EACCES), + #endif ++#ifdef __NR_ipc ++ SC_DENY(__NR_ipc, EACCES), ++#endif + + /* Syscalls to permit */ + #ifdef __NR_brk +@@ -205,9 +208,6 @@ static const struct sock_filter preauth_insns[] = { + #ifdef __NR_getuid32 + SC_ALLOW(__NR_getuid32), + #endif +-#if defined(__NR_ipc) && defined(__s390__) +- SC_ALLOW(__NR_ipc), +-#endif + #ifdef __NR_madvise + SC_ALLOW(__NR_madvise), + #endif |