2025-01-15 15:03:52 +00:00
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{
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"id": "CVE-2024-57902",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-01-15T13:15:14.867",
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2025-03-16 03:03:50 +00:00
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"lastModified": "2025-02-28T18:50:45.847",
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2025-03-02 03:03:52 +00:00
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"vulnStatus": "Analyzed",
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2025-01-15 15:03:52 +00:00
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\naf_packet: fix vlan_get_tci() vs MSG_PEEK\n\nBlamed commit forgot MSG_PEEK case, allowing a crash [1] as found\nby syzbot.\n\nRework vlan_get_tci() to not touch skb at all,\nso that it can be used from many cpus on the same skb.\n\nAdd a const qualifier to skb argument.\n\n[1]\nskbuff: skb_under_panic: text:ffffffff8a8da482 len:32 put:14 head:ffff88807a1d5800 data:ffff88807a1d5810 tail:0x14 end:0x140 dev:<NULL>\n------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 0 UID: 0 PID: 5880 Comm: syz-executor172 Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n RIP: 0010:skb_panic net/core/skbuff.c:206 [inline]\n RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216\nCode: 0b 8d 48 c7 c6 9e 6c 26 8e 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 3a 5a 79 f7 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3\nRSP: 0018:ffffc90003baf5b8 EFLAGS: 00010286\nRAX: 0000000000000087 RBX: dffffc0000000000 RCX: 8565c1eec37aa000\nRDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000\nRBP: ffff88802616fb50 R08: ffffffff817f0a4c R09: 1ffff92000775e50\nR10: dffffc0000000000 R11: fffff52000775e51 R12: 0000000000000140\nR13: ffff88807a1d5800 R14: ffff88807a1d5810 R15: 0000000000000014\nFS: 00007fa03261f6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ffd65753000 CR3: 0000000031720000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n skb_push+0xe5/0x100 net/core/skbuff.c:2636\n vlan_get_tci+0x272/0x550 net/packet/af_packet.c:565\n packet_recvmsg+0x13c9/0x1ef0 net/packet/af_packet.c:3616\n sock_recvmsg_nosec net/socket.c:1044 [inline]\n sock_recvmsg+0x22f/0x280 net/socket.c:1066\n ____sys_recvmsg+0x1c6/0x480 net/socket.c:2814\n ___sys_recvmsg net/socket.c:2856 [inline]\n do_recvmmsg+0x426/0xab0 net/socket.c:2951\n __sys_recvmmsg net/socket.c:3025 [inline]\n __do_sys_recvmmsg net/socket.c:3048 [inline]\n __se_sys_recvmmsg net/socket.c:3041 [inline]\n __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3041\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83"
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: af_packet: arreglo vlan_get_tci() vs MSG_PEEK La confirmaci\u00f3n culpada olvid\u00f3 el caso MSG_PEEK, lo que permiti\u00f3 un bloqueo [1] como lo encontr\u00f3 syzbot. Reelabore vlan_get_tci() para que no toque skb en absoluto, de modo que pueda usarse desde muchas CPU en el mismo skb. Agregue un calificador const al argumento skb. [1] skbuff: skb_under_panic: text:ffffffff8a8da482 len:32 put:14 head:ffff88807a1d5800 data:ffff88807a1d5810 tail:0x14 end:0x140 dev: ------------[ corte aqu\u00ed ]------------ \u00a1ERROR del kernel en net/core/skbuff.c:206! Oops: c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5880 Comm: syz-executor172 No contaminado 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 RIP: 0010:skb_panic net/core/skbuff.c:206 [en l\u00ednea] RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216 C\u00f3digo: 0b 8d 48 c7 c6 9e 6c 26 8e 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 3a 5a 79 f7 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90003baf5b8 EFLAGS: 00010286 RAX: 000000000000087 RBX: dffffc0000000000 RCX: 8565c1eec37aa000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88802616fb50 R08: ffffffff817f0a4c R09: 1ffff92000775e50 R10: dffffc0000000000 R11: fffff52000775e51 R12: 0000000000000140 R13: ffff88807a1d5800 R14: ffff88807a1d5810 R15: 0000000000000014 FS: 00007fa03261f6c0(0000) GS:ffff8880b8600000(0000) knlGS:00000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd65753000 CR3: 0000000031720000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas: skb_push+0xe5/0x100 net/core/skbuff.c:2636 vlan_get_tci+0x272/0x550 net/packet/af_packet.c:565 packet_recvmsg+0x13c9/0x1ef0 net/packet/af_packet.c:3616 sock_recvmsg_nosec net/socket.c:1044 [en l\u00ednea] sock_recvmsg+0x22f/0x280 net/socket.c:1066 ____sys_recvmsg+0x1c6/0x480 net/socket.c:2814 ___sys_recvmsg net/socket.c:2856 [en l\u00ednea] do_recvmmsg+0x426/0xab0 net/socket.c:2951 __sys_recvmmsg net/socket.c:3025 [en l\u00ednea] __do_sys_recvmmsg net/socket.c:3048 [en l\u00ednea] __se_sys_recvmmsg net/socket.c:3041 [en l\u00ednea] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3041 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83"
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}
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],
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2025-03-02 03:03:52 +00:00
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"metrics": {
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"cvssMetricV31": [
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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2025-04-13 02:04:23 +00:00
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2025-03-02 03:03:52 +00:00
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}
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],
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2025-01-15 15:03:52 +00:00
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/65c67049e9ed481f6b52264b39618b8c6dfb1d3e",
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2025-03-02 03:03:52 +00:00
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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2025-01-15 15:03:52 +00:00
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},
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{
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"url": "https://git.kernel.org/stable/c/66ffb0cf2125dcf9e902eede4a43653a24fd9cb2",
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2025-03-02 03:03:52 +00:00
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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2025-01-15 15:03:52 +00:00
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2025-03-02 03:03:52 +00:00
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2025-01-15 15:03:52 +00:00
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2025-03-02 03:03:52 +00:00
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2025-01-15 15:03:52 +00:00
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"url": "https://git.kernel.org/stable/c/b65292a548d847099a4fe0fff53122a06e798e25",
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2025-03-02 03:03:52 +00:00
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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2025-01-15 15:03:52 +00:00
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"url": "https://git.kernel.org/stable/c/d91b4a9baa018a001d5c884e236c0cfd31f9f4a1",
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2025-03-02 03:03:52 +00:00
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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2025-01-15 15:03:52 +00:00
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{
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"url": "https://git.kernel.org/stable/c/fa57f07ba0622c8692f40e1300adca59277b0044",
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2025-03-02 03:03:52 +00:00
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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2025-01-15 15:03:52 +00:00
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}
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