diff --git a/Cargo.lock b/Cargo.lock
index 41275accbe962..4003b0e9878a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1900,9 +1900,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.103"
+version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
+checksum = "a60553f9a9e039a333b4e9b20573b9e9b9c0bb3a11e201ccc48ef4283456d673"
 dependencies = [
  "rustc-std-workspace-core",
 ]
diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml
index 6bc445c6f2b07..248ecdf4befce 100644
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -15,7 +15,7 @@ cfg-if = { version = "0.1.8", features = ['rustc-dep-of-std'] }
 panic_unwind = { path = "../panic_unwind", optional = true }
 panic_abort = { path = "../panic_abort" }
 core = { path = "../core" }
-libc = { version = "0.2.103", default-features = false, features = ['rustc-dep-of-std'] }
+libc = { version = "0.2.106", default-features = false, features = ['rustc-dep-of-std'] }
 compiler_builtins = { version = "0.1.44" }
 profiler_builtins = { path = "../profiler_builtins", optional = true }
 unwind = { path = "../unwind" }
diff --git a/library/std/src/sys/unix/thread.rs b/library/std/src/sys/unix/thread.rs
index 6f4863057aba4..b99eb2e553f08 100644
--- a/library/std/src/sys/unix/thread.rs
+++ b/library/std/src/sys/unix/thread.rs
@@ -275,6 +275,14 @@ pub fn available_parallelism() -> io::Result<NonZeroUsize> {
             target_os = "solaris",
             target_os = "illumos",
         ))] {
+            #[cfg(any(target_os = "android", target_os = "linux"))]
+            {
+                let mut set: libc::cpu_set_t = unsafe { mem::zeroed() };
+                if unsafe { libc::sched_getaffinity(0, mem::size_of::<libc::cpu_set_t>(), &mut set) } == 0 {
+                    let count = unsafe { libc::CPU_COUNT(&set) };
+                    return Ok(unsafe { NonZeroUsize::new_unchecked(count as usize) });
+                }
+            }
             match unsafe { libc::sysconf(libc::_SC_NPROCESSORS_ONLN) } {
                 -1 => Err(io::Error::last_os_error()),
                 0 => Err(io::Error::new_const(io::ErrorKind::NotFound, &"The number of hardware threads is not known for the target platform")),