diff options
Diffstat (limited to 'results/classifier/gemma3:12b/kernel/1844635')
| -rw-r--r-- | results/classifier/gemma3:12b/kernel/1844635 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/kernel/1844635 b/results/classifier/gemma3:12b/kernel/1844635 new file mode 100644 index 00000000..d5e9f971 --- /dev/null +++ b/results/classifier/gemma3:12b/kernel/1844635 @@ -0,0 +1,45 @@ + +qemu bug where load linux kernel + +i found a qemu bug ,when the qemu start and parse the kernel file . + +This vulnerability can be exploited. + +thanks + +/**** + + +(gdb) set args -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -m 2048 -smp 2 -cpu host -machine kernel_irqchip=split -kernel poc1 +(gdb) r +Starting program: /usr/bin/qemu-system-x86_64 -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -m 2048 -smp 2 -cpu host -machine kernel_irqchip=split -kernel ./poc/poc1 +[Thread debugging using libthread_db enabled] +Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". +[New Thread 0x7fffe9a03700 (LWP 30066)] +[New Thread 0x7fffe9202700 (LWP 30068)] +[New Thread 0x7fffe8a01700 (LWP 30069)] + +Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault. +__memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:249 +249 ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S: No such file or directory. +(gdb) bt +#0 0x00007ffff2390b1f in __memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:249 +#1 0x00005555559ebdcf in rom_copy () +#2 0x00005555558dd1b3 in load_multiboot () +#3 0x00005555558de1c3 in () +#4 0x00005555558e19d1 in pc_memory_init () +#5 0x00005555558e4ee3 in () +#6 0x00005555559e8500 in machine_run_board_init () +#7 0x0000555555834959 in main () +(gdb) c +Continuing. +Couldn't get registers: No such process. +Couldn't get registers: No such process. +(gdb) [Thread 0x7fffe8a01700 (LWP 30069) exited] +[Thread 0x7fffe9202700 (LWP 30068) exited] +[Thread 0x7fffe9a03700 (LWP 30066) exited] + +Program terminated with signal SIGSEGV, Segmentation fault. +The program no longer exists. + +***/ \ No newline at end of file |