python3-grpcio: patch CVE-2024-11407

Cherry-pick commit [1] mentioned in [2].

[1] https://github.com/grpc/grpc/commit/e9046b2bbebc0cb7f5dc42008f807f6c7e98e791
[2] https://nvd.nist.gov/vuln/detail/CVE-2024-11407

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

2 files changed, 33 insertions, 0 deletions

diff --git a/meta-python/recipes-devtools/python/python3-grpcio/CVE-2024-11407.patch b/meta-python/recipes-devtools/python/python3-grpcio/CVE-2024-11407.patch
new file mode 100644
index 0000000000..eef5e7239e
--- /dev/null
+++ b/meta-python/recipes-devtools/python/python3-grpcio/CVE-2024-11407.patch
@@ -0,0 +1,32 @@
+From e9046b2bbebc0cb7f5dc42008f807f6c7e98e791 Mon Sep 17 00:00:00 2001
+From: Vignesh Babu <vigneshbabu@google.com>
+Date: Thu, 12 Sep 2024 11:13:45 -0700
+Subject: [PATCH] [EventEngine] Fix bug in Tx0cp code path in posix endpoint.
+
+This fix ensures that the iov_base pointers point to the right address.
+
+PiperOrigin-RevId: 673923651
+
+CVE: CVE-2024-11407
+Upstream-Status: Backport [https://github.com/grpc/grpc/commit/e9046b2bbebc0cb7f5dc42008f807f6c7e98e791]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ src/core/lib/event_engine/posix_engine/posix_endpoint.cc | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/core/lib/event_engine/posix_engine/posix_endpoint.cc b/src/core/lib/event_engine/posix_engine/posix_endpoint.cc
+index 7634bb1334b..c5708db02c5 100644
+--- a/src/core/lib/event_engine/posix_engine/posix_endpoint.cc
++++ b/src/core/lib/event_engine/posix_engine/posix_endpoint.cc
+@@ -240,7 +240,7 @@ msg_iovlen_type TcpZerocopySendRecord::PopulateIovs(size_t* unwind_slice_idx,
+        iov_size++) {
+     MutableSlice& slice = internal::SliceCast<MutableSlice>(
+         buf_.MutableSliceAt(out_offset_.slice_idx));
+-    iov[iov_size].iov_base = slice.begin();
++    iov[iov_size].iov_base = slice.begin() + out_offset_.byte_idx;
+     iov[iov_size].iov_len = slice.length() - out_offset_.byte_idx;
+     *sending_length += iov[iov_size].iov_len;
+     ++(out_offset_.slice_idx);
+-- 
+2.30.2
+
diff --git a/meta-python/recipes-devtools/python/python3-grpcio_1.62.2.bb b/meta-python/recipes-devtools/python/python3-grpcio_1.62.2.bb
index 59bfbf5538..b12b509142 100644
--- a/meta-python/recipes-devtools/python/python3-grpcio_1.62.2.bb
+++ b/meta-python/recipes-devtools/python/python3-grpcio_1.62.2.bb
@@ -12,6 +12,7 @@ SRC_URI += "file://0001-Include-missing-cstdint-header.patch \
            file://0001-crypto-use-_Generic-only-if-defined-__cplusplus.patch;patchdir=third_party/boringssl-with-bazel/src/ \
            file://0001-target.h-define-proper-macro-for-ppc-ppc64.patch \
            file://0001-PR-1644-unscaledcycleclock-remove-RISC-V-support.patch \
+           file://CVE-2024-11407.patch \
            "
 SRC_URI[sha256sum] = "c77618071d96b7a8be2c10701a98537823b9c65ba256c0b9067e0594cdbd954d"