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[72.253.4.112]) by smtp.gmail.com with ESMTPSA id ja7-20020a170902efc700b001a1ddd224desm5042079plb.89.2023.04.02.09.42.24 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Apr 2023 09:42:25 -0700 (PDT) From: Steve Sakoman To: openembedded-core@lists.openembedded.org Subject: [OE-core][kirkstone 01/21] Revert "qemu: fix CVE-2021-3507" Date: Sun, 2 Apr 2023 06:41:56 -1000 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Sun, 02 Apr 2023 16:42:29 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/179582 From: pawan This reverts commit 66575e31b76894e217350350307b30d3684ba4fa. Revert CVE-2021-3507 for qemu as it is not applicable for qemu6.2 Link: https://nvd.nist.gov/vuln/detail/CVE-2021-3507 Conflicts: meta/recipes-devtools/qemu/qemu.inc Signed-off-by: pawan Signed-off-by: Steve Sakoman --- meta/recipes-devtools/qemu/qemu.inc | 2 - .../qemu/qemu/CVE-2021-3507_1.patch | 92 -------------- .../qemu/qemu/CVE-2021-3507_2.patch | 115 ------------------ 3 files changed, 209 deletions(-) delete mode 100644 meta/recipes-devtools/qemu/qemu/CVE-2021-3507_1.patch delete mode 100644 meta/recipes-devtools/qemu/qemu/CVE-2021-3507_2.patch diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 5430718f75..a6ee958e4b 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -35,8 +35,6 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://CVE-2021-4206.patch \ file://CVE-2021-4207.patch \ file://CVE-2022-35414.patch \ - file://CVE-2021-3507_1.patch \ - file://CVE-2021-3507_2.patch \ file://CVE-2021-3929.patch \ file://CVE-2021-4158.patch \ file://CVE-2022-0358.patch \ diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3507_1.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3507_1.patch deleted file mode 100644 index 4201610f4d..0000000000 --- a/meta/recipes-devtools/qemu/qemu/CVE-2021-3507_1.patch +++ /dev/null @@ -1,92 +0,0 @@ -From 963ac2cd5186b28fbfdecd15ac43afe1dbaf871a Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= -Date: Thu, 18 Nov 2021 12:57:32 +0100 -Subject: [PATCH 1/2] hw/block/fdc: Prevent end-of-track overrun - (CVE-2021-3507) -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Per the 82078 datasheet, if the end-of-track (EOT byte in -the FIFO) is more than the number of sectors per side, the -command is terminated unsuccessfully: - -* 5.2.5 DATA TRANSFER TERMINATION - - The 82078 supports terminal count explicitly through - the TC pin and implicitly through the underrun/over- - run and end-of-track (EOT) functions. For full sector - transfers, the EOT parameter can define the last - sector to be transferred in a single or multisector - transfer. If the last sector to be transferred is a par- - tial sector, the host can stop transferring the data in - mid-sector, and the 82078 will continue to complete - the sector as if a hardware TC was received. The - only difference between these implicit functions and - TC is that they return "abnormal termination" result - status. Such status indications can be ignored if they - were expected. - -* 6.1.3 READ TRACK - - This command terminates when the EOT specified - number of sectors have been read. If the 82078 - does not find an I D Address Mark on the diskette - after the second· occurrence of a pulse on the - INDX# pin, then it sets the IC code in Status Regis- - ter 0 to "01" (Abnormal termination), sets the MA bit - in Status Register 1 to "1", and terminates the com- - mand. - -* 6.1.6 VERIFY - - Refer to Table 6-6 and Table 6-7 for information - concerning the values of MT and EC versus SC and - EOT value. - -* Table 6·6. Result Phase Table - -* Table 6-7. Verify Command Result Phase Table - -Fix by aborting the transfer when EOT > # Sectors Per Side. - -Cc: qemu-stable@nongnu.org -Cc: Hervé Poussineau -Fixes: baca51faff0 ("floppy driver: disk geometry auto detect") -Reported-by: Alexander Bulekov -Resolves: https://gitlab.com/qemu-project/qemu/-/issues/339 -Signed-off-by: Philippe Mathieu-Daudé -Message-Id: <20211118115733.4038610-2-philmd@redhat.com> -Reviewed-by: Hanna Reitz -Signed-off-by: Kevin Wolf - -Upstream-Status: Backport [defac5e2fbddf8423a354ff0454283a2115e1367] -CVE: CVE-2021-3507 - -Signed-off-by: Sakib Sajal ---- - hw/block/fdc.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/hw/block/fdc.c b/hw/block/fdc.c -index 21d18ac2e..24b05406e 100644 ---- a/hw/block/fdc.c -+++ b/hw/block/fdc.c -@@ -1529,6 +1529,14 @@ static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction) - int tmp; - fdctrl->data_len = 128 << (fdctrl->fifo[5] > 7 ? 7 : fdctrl->fifo[5]); - tmp = (fdctrl->fifo[6] - ks + 1); -+ if (tmp < 0) { -+ FLOPPY_DPRINTF("invalid EOT: %d\n", tmp); -+ fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM, FD_SR1_MA, 0x00); -+ fdctrl->fifo[3] = kt; -+ fdctrl->fifo[4] = kh; -+ fdctrl->fifo[5] = ks; -+ return; -+ } - if (fdctrl->fifo[0] & 0x80) - tmp += fdctrl->fifo[6]; - fdctrl->data_len *= tmp; --- -2.33.0 - diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3507_2.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3507_2.patch deleted file mode 100644 index 9f00d9c0d0..0000000000 --- a/meta/recipes-devtools/qemu/qemu/CVE-2021-3507_2.patch +++ /dev/null @@ -1,115 +0,0 @@ -From ec5725982f811d9728ad1f9940df0e9349397e67 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= -Date: Thu, 18 Nov 2021 12:57:33 +0100 -Subject: [PATCH 2/2] tests/qtest/fdc-test: Add a regression test for - CVE-2021-3507 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Add the reproducer from https://gitlab.com/qemu-project/qemu/-/issues/339 - -Without the previous commit, when running 'make check-qtest-i386' -with QEMU configured with '--enable-sanitizers' we get: - - ==4028352==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x619000062a00 at pc 0x5626d03c491a bp 0x7ffdb4199410 sp 0x7ffdb4198bc0 - READ of size 786432 at 0x619000062a00 thread T0 - #0 0x5626d03c4919 in __asan_memcpy (qemu-system-i386+0x1e65919) - #1 0x5626d1c023cc in flatview_write_continue softmmu/physmem.c:2787:13 - #2 0x5626d1bf0c0f in flatview_write softmmu/physmem.c:2822:14 - #3 0x5626d1bf0798 in address_space_write softmmu/physmem.c:2914:18 - #4 0x5626d1bf0f37 in address_space_rw softmmu/physmem.c:2924:16 - #5 0x5626d1bf14c8 in cpu_physical_memory_rw softmmu/physmem.c:2933:5 - #6 0x5626d0bd5649 in cpu_physical_memory_write include/exec/cpu-common.h:82:5 - #7 0x5626d0bd0a07 in i8257_dma_write_memory hw/dma/i8257.c:452:9 - #8 0x5626d09f825d in fdctrl_transfer_handler hw/block/fdc.c:1616:13 - #9 0x5626d0a048b4 in fdctrl_start_transfer hw/block/fdc.c:1539:13 - #10 0x5626d09f4c3e in fdctrl_write_data hw/block/fdc.c:2266:13 - #11 0x5626d09f22f7 in fdctrl_write hw/block/fdc.c:829:9 - #12 0x5626d1c20bc5 in portio_write softmmu/ioport.c:207:17 - - 0x619000062a00 is located 0 bytes to the right of 512-byte region [0x619000062800,0x619000062a00) - allocated by thread T0 here: - #0 0x5626d03c66ec in posix_memalign (qemu-system-i386+0x1e676ec) - #1 0x5626d2b988d4 in qemu_try_memalign util/oslib-posix.c:210:11 - #2 0x5626d2b98b0c in qemu_memalign util/oslib-posix.c:226:27 - #3 0x5626d09fbaf0 in fdctrl_realize_common hw/block/fdc.c:2341:20 - #4 0x5626d0a150ed in isabus_fdc_realize hw/block/fdc-isa.c:113:5 - #5 0x5626d2367935 in device_set_realized hw/core/qdev.c:531:13 - - SUMMARY: AddressSanitizer: heap-buffer-overflow (qemu-system-i386+0x1e65919) in __asan_memcpy - Shadow bytes around the buggy address: - 0x0c32800044f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa - 0x0c3280004500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x0c3280004510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x0c3280004520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x0c3280004530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - =>0x0c3280004540:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa - 0x0c3280004550: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa - 0x0c3280004560: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa - 0x0c3280004570: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa - 0x0c3280004580: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa - 0x0c3280004590: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd - Shadow byte legend (one shadow byte represents 8 application bytes): - Addressable: 00 - Heap left redzone: fa - Freed heap region: fd - ==4028352==ABORTING - -[ kwolf: Added snapshot=on to prevent write file lock failure ] - -Reported-by: Alexander Bulekov -Signed-off-by: Philippe Mathieu-Daudé -Reviewed-by: Alexander Bulekov -Signed-off-by: Kevin Wolf - -Upstream-Status: Backport [46609b90d9e3a6304def11038a76b58ff43f77bc] -CVE: CVE-2021-3507 - -Signed-off-by: Sakib Sajal ---- - tests/qtest/fdc-test.c | 21 +++++++++++++++++++++ - 1 file changed, 21 insertions(+) - -diff --git a/tests/qtest/fdc-test.c b/tests/qtest/fdc-test.c -index 8f6eee84a..6f5850354 100644 ---- a/tests/qtest/fdc-test.c -+++ b/tests/qtest/fdc-test.c -@@ -583,6 +583,26 @@ static void test_cve_2021_20196(void) - qtest_quit(s); - } - -+static void test_cve_2021_3507(void) -+{ -+ QTestState *s; -+ -+ s = qtest_initf("-nographic -m 32M -nodefaults " -+ "-drive file=%s,format=raw,if=floppy,snapshot=on", -+ test_image); -+ qtest_outl(s, 0x9, 0x0a0206); -+ qtest_outw(s, 0x3f4, 0x1600); -+ qtest_outw(s, 0x3f4, 0x0000); -+ qtest_outw(s, 0x3f4, 0x0000); -+ qtest_outw(s, 0x3f4, 0x0000); -+ qtest_outw(s, 0x3f4, 0x0200); -+ qtest_outw(s, 0x3f4, 0x0200); -+ qtest_outw(s, 0x3f4, 0x0000); -+ qtest_outw(s, 0x3f4, 0x0000); -+ qtest_outw(s, 0x3f4, 0x0000); -+ qtest_quit(s); -+} -+ - int main(int argc, char **argv) - { - int fd; -@@ -614,6 +634,7 @@ int main(int argc, char **argv) - qtest_add_func("/fdc/read_no_dma_19", test_read_no_dma_19); - qtest_add_func("/fdc/fuzz-registers", fuzz_registers); - qtest_add_func("/fdc/fuzz/cve_2021_20196", test_cve_2021_20196); -+ qtest_add_func("/fdc/fuzz/cve_2021_3507", test_cve_2021_3507); - - ret = g_test_run(); - --- -2.33.0 -