cve-2024-36915
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2024-09-11 17:35
Severity
Summary
nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f106133203021533cb753e80d75896f4ad222f8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/29dc0ea979d433dd3c26abc8fa971550bdc05107
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7a87441c9651ba37842f4809224aca13a554a26f
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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      "title": "nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies",
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    "cveId": "CVE-2024-36915",
    "datePublished": "2024-05-30T15:29:12.158Z",
    "dateReserved": "2024-05-30T15:25:07.068Z",
    "dateUpdated": "2024-09-11T17:35:00.416Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36915\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-30T16:15:14.887\",\"lastModified\":\"2024-08-19T05:15:06.460\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnfc: llcp: fix nfc_llcp_setsockopt() unsafe copies\\n\\nsyzbot reported unsafe calls to copy_from_sockptr() [1]\\n\\nUse copy_safe_from_sockptr() instead.\\n\\n[1]\\n\\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\\n BUG: KASAN: slab-out-of-bounds in nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255\\nRead of size 4 at addr ffff88801caa1ec3 by task syz-executor459/5078\\n\\nCPU: 0 PID: 5078 Comm: syz-executor459 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\\nCall Trace:\\n \u003cTASK\u003e\\n  __dump_stack lib/dump_stack.c:88 [inline]\\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\\n  print_address_description mm/kasan/report.c:377 [inline]\\n  print_report+0x169/0x550 mm/kasan/report.c:488\\n  kasan_report+0x143/0x180 mm/kasan/report.c:601\\n  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\\n  copy_from_sockptr include/linux/sockptr.h:55 [inline]\\n  nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255\\n  do_sock_setsockopt+0x3b1/0x720 net/socket.c:2311\\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\\n  __do_sys_setsockopt net/socket.c:2343 [inline]\\n  __se_sys_setsockopt net/socket.c:2340 [inline]\\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\\n do_syscall_64+0xfd/0x240\\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\\nRIP: 0033:0x7f7fac07fd89\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007fff660eb788 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\\nRAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7fac07fd89\\nRDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000004\\nRBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000000\\nR10: 0000000020000a80 R11: 0000000000000246 R12: 0000000000000000\\nR13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nfc: llcp: corrige nfc_llcp_setsockopt() copias inseguras syzbot inform\u00f3 llamadas inseguras a copy_from_sockptr() [1] Utilice copy_safe_from_sockptr() en su lugar. [1] ERROR: KASAN: losa fuera de los l\u00edmites en copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] ERROR: KASAN: losa fuera de los l\u00edmites en copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] ERROR: KASAN: losa fuera de los l\u00edmites en nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff88801caa1ec3 por tarea syz-executor459/5078 CPU: 0 PID: 5078 Comm : syz-executor459 No contaminado 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/03/2024 Seguimiento de llamadas:  __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [en l\u00ednea] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan /report.c:601 copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255 do_sock_setsockopt+0x3b 1/ 0x720 net/socket.c:2311 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [en l\u00ednea] __se_sys_setsockopt net/socket.c:2340 [en l\u00ednea] xb5/0xd0 red/z\u00f3calo .c:2340 do_syscall_64+0xfd/0x240 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f7fac07fd89 C\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 0 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u0026lt;48\u0026gt; 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff660eb788 EFLAGS: 000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7fac07fd89 RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000004 RBP: 000000000 0000000 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020000a80 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000 000000000 R14: 0000000000000000 R15: 0000000000000000\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0f106133203021533cb753e80d75896f4ad222f8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/29dc0ea979d433dd3c26abc8fa971550bdc05107\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7a87441c9651ba37842f4809224aca13a554a26f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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}


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