diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index ae82e9c941af..3f3c39f9a83b 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -18,6 +18,7 @@
 #include <linux/phy.h>
 #include <linux/refcount.h>
 #include <linux/sched.h>
+#include <linux/security.h>
 #include <linux/slab.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 30f40149f3a9..36a0c833e7b4 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -17,6 +17,7 @@
 #include "page.c"
 #include "rbtree.c"
 #include "refcount.c"
+#include "security.c"
 #include "signal.c"
 #include "slab.c"
 #include "spinlock.c"
diff --git a/rust/helpers/security.c b/rust/helpers/security.c
new file mode 100644
index 000000000000..f6deb0b28b48
--- /dev/null
+++ b/rust/helpers/security.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/security.h>
+
+#ifndef CONFIG_SECURITY
+int rust_helper_security_secid_to_secctx(u32 secid, struct lsm_context *cp)
+{
+	return security_secid_to_secctx(secid, cp);
+}
+
+void rust_helper_security_release_secctx(struct lsm_context *cp)
+{
+	security_release_secctx(cp);
+}
+#endif
diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
index 22a3bfa5a9e9..a71dc73a0d9d 100644
--- a/rust/kernel/lib.rs
+++ b/rust/kernel/lib.rs
@@ -46,6 +46,7 @@
 pub mod print;
 pub mod sizes;
 pub mod rbtree;
+pub mod security;
 mod static_assert;
 #[doc(hidden)]
 pub mod std_vendor;
diff --git a/rust/kernel/security.rs b/rust/kernel/security.rs
new file mode 100644
index 000000000000..25d2b1ac3833
--- /dev/null
+++ b/rust/kernel/security.rs
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+
+// Copyright (C) 2024 Google LLC.
+
+//! Linux Security Modules (LSM).
+//!
+//! C header: [`include/linux/security.h`](srctree/include/linux/security.h).
+
+use crate::{
+    bindings,
+    error::{to_result, Result},
+};
+
+/// A security context string.
+///
+/// # Invariants
+///
+/// The `ctx` field corresponds to a valid security context as returned by a successful call to
+/// `security_secid_to_secctx`, that has not yet been destroyed by `security_release_secctx`.
+pub struct SecurityCtx {
+    ctx: bindings::lsm_context,
+}
+
+impl SecurityCtx {
+    /// Get the security context given its id.
+    pub fn from_secid(secid: u32) -> Result<Self> {
+        // SAFETY: `struct lsm_context` can be initialized to all zeros.
+        let mut ctx: bindings::lsm_context = unsafe { core::mem::zeroed() };
+
+        // SAFETY: Just a C FFI call. The pointer is valid for writes.
+        to_result(unsafe { bindings::security_secid_to_secctx(secid, &mut ctx) })?;
+
+        // INVARIANT: If the above call did not fail, then we have a valid security context.
+        Ok(Self { ctx })
+    }
+
+    /// Returns whether the security context is empty.
+    pub fn is_empty(&self) -> bool {
+        self.ctx.len == 0
+    }
+
+    /// Returns the length of this security context.
+    pub fn len(&self) -> usize {
+        self.ctx.len as usize
+    }
+
+    /// Returns the bytes for this security context.
+    pub fn as_bytes(&self) -> &[u8] {
+        let ptr = self.ctx.context;
+        if ptr.is_null() {
+            debug_assert_eq!(self.len(), 0);
+            // We can't pass a null pointer to `slice::from_raw_parts` even if the length is zero.
+            return &[];
+        }
+
+        // SAFETY: The call to `security_secid_to_secctx` guarantees that the pointer is valid for
+        // `self.len()` bytes. Furthermore, if the length is zero, then we have ensured that the
+        // pointer is not null.
+        unsafe { core::slice::from_raw_parts(ptr.cast(), self.len()) }
+    }
+}
+
+impl Drop for SecurityCtx {
+    fn drop(&mut self) {
+        // SAFETY: By the invariant of `Self`, this frees a context that came from a successful
+        // call to `security_secid_to_secctx` and has not yet been destroyed by
+        // `security_release_secctx`.
+        unsafe { bindings::security_release_secctx(&mut self.ctx) };
+    }
+}
