e6031e7a4e
- kvm-qcow2-Don-t-open-data_file-with-BDRV_O_NO_IO.patch [RHEL-46239] - kvm-iotests-244-Don-t-store-data-file-with-protocol-in-i.patch [RHEL-46239] - kvm-iotests-270-Don-t-store-data-file-with-json-prefix-i.patch [RHEL-46239] - kvm-block-Parse-filenames-only-when-explicitly-requested.patch [RHEL-46239] - Resolves: RHEL-46239 (CVE-2024-4467 qemu-kvm: QEMU: 'qemu-img info' leads to host file read/write [rhel-10.0])
65 lines
2.3 KiB
Diff
65 lines
2.3 KiB
Diff
From bf01c03b0120f5ed8e54c2a30b7830901b22b893 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Thu, 25 Apr 2024 14:49:40 +0200
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Subject: [PATCH 3/4] iotests/270: Don't store data-file with json: prefix in
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image
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RH-Author: Hana Czenczek <hczenczek@redhat.com>
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RH-MergeRequest: 1: CVE 2024-4467 (PRDSC)
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RH-Jira: RHEL-46239
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RH-CVE: CVE-2024-4467
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Eric Blake <eblake@redhat.com>
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RH-Commit: [3/4] 705bcc2819ce8e0f8b9d660a93bc48de26413aec
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We want to disable filename parsing for data files because it's too easy
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to abuse in malicious image files. Make the test ready for the change by
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passing the data file explicitly in command line options.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
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Upstream: N/A, embargoed
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Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
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---
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tests/qemu-iotests/270 | 14 +++++++++++---
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1 file changed, 11 insertions(+), 3 deletions(-)
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diff --git a/tests/qemu-iotests/270 b/tests/qemu-iotests/270
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index 74352342db..c37b674aa2 100755
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--- a/tests/qemu-iotests/270
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+++ b/tests/qemu-iotests/270
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@@ -60,8 +60,16 @@ _make_test_img -o cluster_size=2M,data_file="$TEST_IMG.orig" \
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# "write" 2G of data without using any space.
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# (qemu-img create does not like it, though, because null-co does not
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# support image creation.)
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-$QEMU_IMG amend -o data_file="json:{'driver':'null-co',,'size':'4294967296'}" \
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- "$TEST_IMG"
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+test_img_with_null_data="json:{
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+ 'driver': '$IMGFMT',
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+ 'file': {
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+ 'filename': '$TEST_IMG'
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+ },
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+ 'data-file': {
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+ 'driver': 'null-co',
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+ 'size':'4294967296'
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+ }
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+}"
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# This gives us a range of:
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# 2^31 - 512 + 768 - 1 = 2^31 + 255 > 2^31
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@@ -74,7 +82,7 @@ $QEMU_IMG amend -o data_file="json:{'driver':'null-co',,'size':'4294967296'}" \
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# on L2 boundaries, we need large L2 tables; hence the cluster size of
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# 2 MB. (Anything from 256 kB should work, though, because then one L2
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# table covers 8 GB.)
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-$QEMU_IO -c "write 768 $((2 ** 31 - 512))" "$TEST_IMG" | _filter_qemu_io
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+$QEMU_IO -c "write 768 $((2 ** 31 - 512))" "$test_img_with_null_data" | _filter_qemu_io
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_check_test_img
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--
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2.39.3
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