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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/device/1909247
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+QEMU: use after free vulnerability in esp_do_dma() in hw/scsi/esp.c
+
+A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU. It could occur in the esp_do_dma() function in hw/scsi/esp.c while handling the 'Information Transfer' command (CMD_TI). A privileged guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
+
+This issue was reported by Cheolwoo Myung (Seoul National University).
+
+Original report:
+Using hypervisor fuzzer, hyfuzz, I found a use-after-free issue in
+am53c974 emulator of QEMU enabled ASan.
+
+It occurs while transferring information, as it does not check the
+buffer to be transferred.
+
+A malicious guest user/process could use this flaw to crash the QEMU
+process resulting in DoS scenario.
+
+To reproduce this issue, please run the QEMU with the following command
+line.
+
+# To enable ASan option, please set configuration with the following
+$ ./configure --target-list=i386-softmmu --disable-werror --enable-sanitizers
+$ make
+
+# To reproduce this issue, please run the QEMU process with the following command line
+$ ./qemu-system-i386 -m 512 -drive file=./hyfuzz.img,index=0,media=disk,format=raw \
+-device am53c974,id=scsi -device scsi-hd,drive=SysDisk \
+-drive id=SysDisk,if=none,file=./disk.img
+
+Please find attached the disk images to reproduce this issue.
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