diff --git a/lib/std/c.zig b/lib/std/c.zig
index c9d4265c74..53f11f58b3 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -6741,6 +6741,62 @@ pub const SOMAXCONN = switch (native_os) {
     .freebsd, .dragonfly, .netbsd, .openbsd, .driverkit, .macos, .ios, .tvos, .watchos, .visionos => 128,
     else => void,
 };
+pub const SCM = switch (native_os) {
+    .linux, .emscripten => linux.SCM,
+    // https://github.com/kofemann/opensolaris/blob/80192cd83bf665e708269dae856f9145f7190f74/usr/src/uts/common/sys/socket.h#L172
+    // https://github.com/illumos/illumos-gate/blob/489f6310fe8952e87fc1dce8af87990fcfd90f18/usr/src/uts/common/sys/socket.h#L196
+    .solaris, .illumos => struct {
+        pub const RIGHTS = 0x1010;
+        pub const UCRED = 0x1012;
+        pub const TIMESTAMP = SO.TIMESTAMP;
+    },
+    // https://github.com/haiku/haiku/blob/e3d01e53a25446d5ba4999d0ff6dff29a2418657/headers/posix/sys/socket.h#L156
+    .haiku => struct {
+        pub const RIGHTS = 1;
+    },
+    // https://github.com/SerenityOS/serenity/blob/c6618f36bf0949bd76177f202659b1f3079e0792/Kernel/API/POSIX/sys/socket.h#L171
+    .serenity => struct {
+        pub const TIMESTAMP = 0;
+        pub const RIGHTS = 1;
+    },
+    // https://github.com/freebsd/freebsd-src/blob/614e9b33bf5594d9d09b5d296afa4f3aa6971823/sys/sys/socket.h#L593
+    .freebsd => struct {
+        pub const RIGHTS = 1;
+        pub const TIMESTAMP = 2;
+        pub const CREDS = 3;
+        pub const BINTIME = 4;
+        pub const REALTIME = 5;
+        pub const MONOTONIC = 6;
+        pub const TIME_INFO = 7;
+        pub const CREDS2 = 8;
+    },
+    // https://github.com/DragonFlyBSD/DragonFlyBSD/blob/6098912863ed4c7b3f70d7483910ce2956cf4ed3/sys/sys/socket.h#L520
+    .dragonfly => struct {
+        pub const RIGHTS = 1;
+        pub const TIMESTAMP = 2;
+        pub const CREDS = 3;
+    },
+    // https://github.com/NetBSD/src/blob/3311177ea898ab8322292ba0e48faa9b2e834cb6/sys/sys/socket.h#L578
+    .netbsd => struct {
+        pub const RIGHTS = 0x01;
+        pub const TIMESTAMP = 0x08;
+        pub const CREDS = 0x10;
+    },
+    // https://github.com/openbsd/src/blob/1b1dd04c9634112eb763374379af99a68ace4328/sys/sys/socket.h#L566
+    .openbsd => struct {
+        pub const RIGHTS = 0x01;
+        pub const TIMESTAMP = 0x04;
+    },
+    // https://github.com/apple/darwin-xnu/blob/2ff845c2e033bd0ff64b5b6aa6063a1f8f65aa32/bsd/sys/socket.h#L1114
+    .driverkit, .macos, .ios, .tvos, .watchos, .visionos => struct {
+        pub const RIGHTS = 1;
+        pub const TIMESTAMP = 2;
+        pub const CREDS = 3;
+        pub const TIMESTAMP_MONOTONIC = 4;
+    },
+    else => void,
+};
+
 pub const IFNAMESIZE = switch (native_os) {
     .linux => linux.IFNAMESIZE,
     .emscripten => emscripten.IFNAMESIZE,
@@ -11052,7 +11108,6 @@ pub const GETUSTACK = solaris.GETUSTACK;
 pub const PORT_ALERT = solaris.PORT_ALERT;
 pub const PORT_SOURCE = solaris.PORT_SOURCE;
 pub const POSIX_FADV = solaris.POSIX_FADV;
-pub const SCM = solaris.SCM;
 pub const SETCONTEXT = solaris.SETCONTEXT;
 pub const SETUSTACK = solaris.GETUSTACK;
 pub const SFD = solaris.SFD;
diff --git a/lib/std/c/solaris.zig b/lib/std/c/solaris.zig
index 91d96527d9..9736309d06 100644
--- a/lib/std/c/solaris.zig
+++ b/lib/std/c/solaris.zig
@@ -31,12 +31,6 @@ pub const poolid_t = id_t;
 pub const zoneid_t = id_t;
 pub const ctid_t = id_t;
 
-pub const SCM = struct {
-    pub const UCRED = 0x1012;
-    pub const RIGHTS = 0x1010;
-    pub const TIMESTAMP = SO.TIMESTAMP;
-};
-
 pub const fpregset_t = extern union {
     regs: [130]u32,
     chip_state: extern struct {
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index f5ff7767a8..564bdb5b22 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -4335,6 +4335,12 @@ pub const SO = if (is_mips) struct {
 };
 
 pub const SCM = struct {
+    // https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/socket.h?id=f777d1112ee597d7f7dd3ca232220873a34ad0c8#n178
+    pub const RIGHTS = 1;
+    pub const CREDENTIALS = 2;
+    pub const SECURITY = 3;
+    pub const PIDFD = 4;
+
     pub const WIFI_STATUS = SO.WIFI_STATUS;
     pub const TIMESTAMPING_OPT_STATS = 54;
     pub const TIMESTAMPING_PKTINFO = 58;
diff --git a/lib/std/posix.zig b/lib/std/posix.zig
index e0fd68db24..ad826d205d 100644
--- a/lib/std/posix.zig
+++ b/lib/std/posix.zig
@@ -101,6 +101,7 @@ pub const RR = system.RR;
 pub const S = system.S;
 pub const SA = system.SA;
 pub const SC = system.SC;
+pub const SCM = system.SCM;
 pub const SEEK = system.SEEK;
 pub const SHUT = system.SHUT;
 pub const SIG = system.SIG;