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988751415d
Cherry-pick commit [1] mentioned in [2].
[1] e9046b2bbe
[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>
33 lines
1.4 KiB
Diff
33 lines
1.4 KiB
Diff
From e9046b2bbebc0cb7f5dc42008f807f6c7e98e791 Mon Sep 17 00:00:00 2001
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From: Vignesh Babu <vigneshbabu@google.com>
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Date: Thu, 12 Sep 2024 11:13:45 -0700
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Subject: [PATCH] [EventEngine] Fix bug in Tx0cp code path in posix endpoint.
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This fix ensures that the iov_base pointers point to the right address.
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PiperOrigin-RevId: 673923651
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CVE: CVE-2024-11407
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Upstream-Status: Backport [https://github.com/grpc/grpc/commit/e9046b2bbebc0cb7f5dc42008f807f6c7e98e791]
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Signed-off-by: Peter Marko <peter.marko@siemens.com>
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---
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src/core/lib/event_engine/posix_engine/posix_endpoint.cc | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/core/lib/event_engine/posix_engine/posix_endpoint.cc b/src/core/lib/event_engine/posix_engine/posix_endpoint.cc
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index 7634bb1334b..c5708db02c5 100644
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--- a/src/core/lib/event_engine/posix_engine/posix_endpoint.cc
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+++ b/src/core/lib/event_engine/posix_engine/posix_endpoint.cc
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@@ -240,7 +240,7 @@ msg_iovlen_type TcpZerocopySendRecord::PopulateIovs(size_t* unwind_slice_idx,
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iov_size++) {
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MutableSlice& slice = internal::SliceCast<MutableSlice>(
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buf_.MutableSliceAt(out_offset_.slice_idx));
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- iov[iov_size].iov_base = slice.begin();
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+ iov[iov_size].iov_base = slice.begin() + out_offset_.byte_idx;
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iov[iov_size].iov_len = slice.length() - out_offset_.byte_idx;
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*sending_length += iov[iov_size].iov_len;
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++(out_offset_.slice_idx);
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--
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2.30.2
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