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Diffstat (limited to '')
| -rw-r--r-- | debian/patches/seccomp-handle-shm.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/debian/patches/seccomp-handle-shm.patch b/debian/patches/seccomp-handle-shm.patch new file mode 100644 index 0000000..56bc941 --- /dev/null +++ b/debian/patches/seccomp-handle-shm.patch @@ -0,0 +1,38 @@ +From 35956d8211ef0a606a117ca3f0ba3ae163c31a39 Mon Sep 17 00:00:00 2001 +From: Lonnie Abelbeck <lonnie@abelbeck.com> +Date: Tue, 1 Oct 2019 09:05:09 -0500 +Subject: Deny (non-fatal) shmget/shmat/shmdt in preauth privsep child. + +New wait_random_seeded() function on OpenSSL 1.1.1d uses shmget, shmat, and shmdt +in the preauth codepath, deny (non-fatal) in seccomp_filter sandbox. + +Bug: https://github.com/openssh/openssh-portable/pull/149 +Bug-Debian: https://bugs.debian.org/941663 +Origin: upstream, https://anongit.mindrot.org/openssh.git/commit/?id=3ef92a657444f172b61f92d5da66d94fa8265602 +Last-Update: 2019-10-05 + +Patch-Name: seccomp-handle-shm.patch +--- + sandbox-seccomp-filter.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c +index ef4de8c65..e8f31555e 100644 +--- a/sandbox-seccomp-filter.c ++++ b/sandbox-seccomp-filter.c +@@ -149,6 +149,15 @@ static const struct sock_filter preauth_insns[] = { + #ifdef __NR_stat64 + SC_DENY(__NR_stat64, EACCES), + #endif ++#ifdef __NR_shmget ++ SC_DENY(__NR_shmget, EACCES), ++#endif ++#ifdef __NR_shmat ++ SC_DENY(__NR_shmat, EACCES), ++#endif ++#ifdef __NR_shmdt ++ SC_DENY(__NR_shmdt, EACCES), ++#endif + + /* Syscalls to permit */ + #ifdef __NR_brk |