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nvd-json-data-feeds/CVE-2024/CVE-2024-359xx/CVE-2024-35976.json
cad-safe-bot bc298e9556 Auto-Update: 2025-04-04T16:00:20.619394+00:00
2025-04-04 16:04:00 +00:00

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{
"id": "CVE-2024-35976",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-20T10:15:12.273",
"lastModified": "2025-04-04T14:33:21.837",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parameter.\n\n[1]\n\n BUG: 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 xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\nRead of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549\n\nCPU: 0 PID: 7549 Comm: syz-executor.0 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 <TASK>\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 xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\n do_sock_setsockopt+0x3af/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+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fb40587de69\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69\nRDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006\nRBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000\nR10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08\n </TASK>\n\nAllocated by task 7549:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\n kasan_kmalloc include/linux/kasan.h:211 [inline]\n __do_kmalloc_node mm/slub.c:3966 [inline]\n __kmalloc+0x233/0x4a0 mm/slub.c:3979\n kmalloc include/linux/slab.h:632 [inline]\n __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869\n do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\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+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nThe buggy address belongs to the object at ffff888028c6cde0\n which belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 1 bytes to the right of\n allocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)\n\nThe buggy address belongs to the physical page:\npage:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c\nanon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)\npage_type: 0xffffffff()\nraw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001\nraw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as allocated\npage last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223\n set_page_owner include/linux/page_owner.h:31 [inline]\n post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533\n prep_new_page mm/page_alloc.c:\n---truncated---"
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: xsk: validar la entrada del usuario para XDP_{UMEM|COMPLETION}_FILL_RING syzbot inform\u00f3 una copia ilegal en xsk_setsockopt() [1] Aseg\u00farese de validar el par\u00e1metro @optlen setsockopt(). [1] BUG: KASAN: losa fuera de l\u00edmites en copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] ERROR: KASAN: losa fuera de l\u00edmites en copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] ERROR: KASAN: losa fuera de l\u00edmites en xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff888028c6cde3 mediante la tarea syz-executor.0/7549 CPU: 0 PID: 7549 Comm: syz-executor.0 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] xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420 do_sock_setsockopt+0x3af/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] x64_sys_setsockopt+0xb5/ 0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fb40587de69 C\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 &lt;48&gt; 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 0c8 EFLAGS: 00000246 ORIG_RAX : 0000000000000036 RAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69 RDX: 0000000000000005 RSI: 000000000000011b RDI: 000000000 0000006 RBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020001980 R11: 0000000000000246 R12: 000000000 0000000 R13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08 Asignado por tarea 7549: kasan_save_stack mm/kasan/common.c:47 [en l\u00ednea] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 veneno_kmalloc_redzone mm/kasan/common.c:370 [en l\u00ednea] __kasan_kmalloc+0x98/ 0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [en l\u00ednea] __do_kmalloc_node mm/slub.c:3966 [en l\u00ednea] __kmalloc+0x233/0x4a0 mm/slub.c:3979 kmalloc include/linux /slab.h:632 [en l\u00ednea] __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869 do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293 __sys_setsockopt+0x1ae/0x250 334 __do_sys_setsockopt net/ socket.c:2343 [en l\u00ednea] __se_sys_setsockopt net/socket.c:2340 [en l\u00ednea] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 El error la direcci\u00f3n pertenece al objeto en ffff888028c6cde0 que pertenece al cach\u00e9 kmalloc-8 de tama\u00f1o 8 La direcci\u00f3n con errores se encuentra 1 byte a la derecha de la regi\u00f3n asignada de 2 bytes [ffff888028c6cde0, ffff888028c6cde2) La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: p\u00e1gina:ffffea0000a31b00 refcount:1 mapcount:0 Mapeo: 00000000000000000000 \u00cdNDICE: 0xffff888028c6c9c0 pfn: 0x28c6c Anon Flags: 0xffff00000000800 (Slab | Node = 0 | Zone = 1 | LastCpupid = 0x7ff) Page_Type: 0xffffffffffff () RAW: 00FFF000000800 0000000000000000 Dead000000000001 Raw: FFFFF888028C6C9C0 000000000080800057 00000001FFFFFFFFFFFFFFF 0000000000000000 P\u00e1gina arrojada porque: Kasan : mal acceso detectado page_owner rastrea la p\u00e1gina como p\u00e1gina asignada por \u00faltima vez mediante orden 0, migrar tipo Inamovible, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223 set _page_owner incluye /linux/page_owner.h:31 [en l\u00ednea] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c: ---truncado---"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.4,
"impactScore": 5.2
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "8199FAA4-7C5C-4F16-9452-571C053D3402"
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