CVE-2023-52434
Vulnerability from cvelistv5
Published
2024-02-20 18:04
Modified
2024-11-04 14:46
Severity ?
Summary
smb: client: fix potential OOBs in smb2_parse_contexts()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/13fb0fc4917621f3dfa285a27eaf7151d770b5e5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/17a0f64cc02d4972e21c733d9f21d1c512963afaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1ae3c59355dc9882e09c020afe8ffbd895ad0f29Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6726429c18c62dbf5e96ebbd522f262e016553fb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/890bc4fac3c0973a49cac35f634579bebba7fe48Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af1689a9b7701d9907dfc84d2a4b57c4bc907144Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix potential OOBs in smb2_parse_contexts()\n\nValidate offsets and lengths before dereferencing create contexts in\nsmb2_parse_contexts().\n\nThis fixes following oops when accessing invalid create contexts from\nserver:\n\n  BUG: unable to handle page fault for address: ffff8881178d8cc3\n  #PF: supervisor read access in kernel mode\n  #PF: error_code(0x0000) - not-present page\n  PGD 4a01067 P4D 4a01067 PUD 0\n  Oops: 0000 [#1] PREEMPT SMP NOPTI\n  CPU: 3 PID: 1736 Comm: mount.cifs Not tainted 6.7.0-rc4 #1\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\n  rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014\n  RIP: 0010:smb2_parse_contexts+0xa0/0x3a0 [cifs]\n  Code: f8 10 75 13 48 b8 93 ad 25 50 9c b4 11 e7 49 39 06 0f 84 d2 00\n  00 00 8b 45 00 85 c0 74 61 41 29 c5 48 01 c5 41 83 fd 0f 76 55 \u003c0f\u003e b7\n  7d 04 0f b7 45 06 4c 8d 74 3d 00 66 83 f8 04 75 bc ba 04 00\n  RSP: 0018:ffffc900007939e0 EFLAGS: 00010216\n  RAX: ffffc90000793c78 RBX: ffff8880180cc000 RCX: ffffc90000793c90\n  RDX: ffffc90000793cc0 RSI: ffff8880178d8cc0 RDI: ffff8880180cc000\n  RBP: ffff8881178d8cbf R08: ffffc90000793c22 R09: 0000000000000000\n  R10: ffff8880180cc000 R11: 0000000000000024 R12: 0000000000000000\n  R13: 0000000000000020 R14: 0000000000000000 R15: ffffc90000793c22\n  FS: 00007f873753cbc0(0000) GS:ffff88806bc00000(0000)\n  knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: ffff8881178d8cc3 CR3: 00000000181ca000 CR4: 0000000000750ef0\n  PKRU: 55555554\n  Call Trace:\n   \u003cTASK\u003e\n   ? __die+0x23/0x70\n   ? page_fault_oops+0x181/0x480\n   ? search_module_extables+0x19/0x60\n   ? srso_alias_return_thunk+0x5/0xfbef5\n   ? exc_page_fault+0x1b6/0x1c0\n   ? asm_exc_page_fault+0x26/0x30\n   ? smb2_parse_contexts+0xa0/0x3a0 [cifs]\n   SMB2_open+0x38d/0x5f0 [cifs]\n   ? smb2_is_path_accessible+0x138/0x260 [cifs]\n   smb2_is_path_accessible+0x138/0x260 [cifs]\n   cifs_is_path_remote+0x8d/0x230 [cifs]\n   cifs_mount+0x7e/0x350 [cifs]\n   cifs_smb3_do_mount+0x128/0x780 [cifs]\n   smb3_get_tree+0xd9/0x290 [cifs]\n   vfs_get_tree+0x2c/0x100\n   ? capable+0x37/0x70\n   path_mount+0x2d7/0xb80\n   ? srso_alias_return_thunk+0x5/0xfbef5\n   ? _raw_spin_unlock_irqrestore+0x44/0x60\n   __x64_sys_mount+0x11a/0x150\n   do_syscall_64+0x47/0xf0\n   entry_SYSCALL_64_after_hwframe+0x6f/0x77\n  RIP: 0033:0x7f8737657b1e"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52434",
    "datePublished": "2024-02-20T18:04:44.006Z",
    "dateReserved": "2024-02-20T12:30:33.290Z",
    "dateUpdated": "2024-11-04T14:46:37.151Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52434\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-20T18:15:50.790\",\"lastModified\":\"2024-11-04T13:16:26.490\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsmb: client: fix potential OOBs in smb2_parse_contexts()\\n\\nValidate offsets and lengths before dereferencing create contexts in\\nsmb2_parse_contexts().\\n\\nThis fixes following oops when accessing invalid create contexts from\\nserver:\\n\\n  BUG: unable to handle page fault for address: ffff8881178d8cc3\\n  #PF: supervisor read access in kernel mode\\n  #PF: error_code(0x0000) - not-present page\\n  PGD 4a01067 P4D 4a01067 PUD 0\\n  Oops: 0000 [#1] PREEMPT SMP NOPTI\\n  CPU: 3 PID: 1736 Comm: mount.cifs Not tainted 6.7.0-rc4 #1\\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\\n  rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014\\n  RIP: 0010:smb2_parse_contexts+0xa0/0x3a0 [cifs]\\n  Code: f8 10 75 13 48 b8 93 ad 25 50 9c b4 11 e7 49 39 06 0f 84 d2 00\\n  00 00 8b 45 00 85 c0 74 61 41 29 c5 48 01 c5 41 83 fd 0f 76 55 \u003c0f\u003e b7\\n  7d 04 0f b7 45 06 4c 8d 74 3d 00 66 83 f8 04 75 bc ba 04 00\\n  RSP: 0018:ffffc900007939e0 EFLAGS: 00010216\\n  RAX: ffffc90000793c78 RBX: ffff8880180cc000 RCX: ffffc90000793c90\\n  RDX: ffffc90000793cc0 RSI: ffff8880178d8cc0 RDI: ffff8880180cc000\\n  RBP: ffff8881178d8cbf R08: ffffc90000793c22 R09: 0000000000000000\\n  R10: ffff8880180cc000 R11: 0000000000000024 R12: 0000000000000000\\n  R13: 0000000000000020 R14: 0000000000000000 R15: ffffc90000793c22\\n  FS: 00007f873753cbc0(0000) GS:ffff88806bc00000(0000)\\n  knlGS:0000000000000000\\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n  CR2: ffff8881178d8cc3 CR3: 00000000181ca000 CR4: 0000000000750ef0\\n  PKRU: 55555554\\n  Call Trace:\\n   \u003cTASK\u003e\\n   ? __die+0x23/0x70\\n   ? page_fault_oops+0x181/0x480\\n   ? search_module_extables+0x19/0x60\\n   ? srso_alias_return_thunk+0x5/0xfbef5\\n   ? exc_page_fault+0x1b6/0x1c0\\n   ? asm_exc_page_fault+0x26/0x30\\n   ? smb2_parse_contexts+0xa0/0x3a0 [cifs]\\n   SMB2_open+0x38d/0x5f0 [cifs]\\n   ? smb2_is_path_accessible+0x138/0x260 [cifs]\\n   smb2_is_path_accessible+0x138/0x260 [cifs]\\n   cifs_is_path_remote+0x8d/0x230 [cifs]\\n   cifs_mount+0x7e/0x350 [cifs]\\n   cifs_smb3_do_mount+0x128/0x780 [cifs]\\n   smb3_get_tree+0xd9/0x290 [cifs]\\n   vfs_get_tree+0x2c/0x100\\n   ? capable+0x37/0x70\\n   path_mount+0x2d7/0xb80\\n   ? srso_alias_return_thunk+0x5/0xfbef5\\n   ? _raw_spin_unlock_irqrestore+0x44/0x60\\n   __x64_sys_mount+0x11a/0x150\\n   do_syscall_64+0x47/0xf0\\n   entry_SYSCALL_64_after_hwframe+0x6f/0x77\\n  RIP: 0033:0x7f8737657b1e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: smb: cliente: corrige OOB potenciales en smb2_parse_contexts() Valida compensaciones y longitudes antes de desreferenciar crea contextos en smb2_parse_contexts(). Esto corrige los siguientes errores al acceder a contextos de creaci\u00f3n no v\u00e1lidos desde el servidor: ERROR: no se puede manejar el error de p\u00e1gina para la direcci\u00f3n: ffff8881178d8cc3 #PF: acceso de lectura del supervisor en modo kernel #PF: error_code(0x0000) - p\u00e1gina no presente PGD 4a01067 P4D 4a01067 PUD 0 Ups: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 1736 Comm: mount.cifs No est\u00e1 contaminado 6.7.0-rc4 #1 Nombre de hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2 -3-gd478f380-rebuilt.opensuse.org 04/04/2014 RIP: 0010: SMB2_PARSE_CONTEXTS+0XA0/0X3A0 [CIFS] C\u00f3digo: F8 10 75 13 48 B8 93 AD 25 50 9C B4 11 E7 49 39 06 0f 84 D2 00 00 00 8b 45 00 85 c0 74 61 41 29 c5 48 01 c5 41 83 fd 0f 76 55 \u0026lt;0f\u0026gt; b7 7d 04 0f b7 45 06 4c 8d 74 3d 00 66 83 f8 04 75 bc ba 04 00 RSP: 0018:ffffc900007939e0 EFLAGS: 00010216 RAX: ffffc90000793c78 RBX: ffff8880180cc000 RCX: ffffc90000793c90 RDX: ffffc90000793cc0 RSI: ffff8880178d8cc0 RDI: ffff8880180cc000 RBP: ffff8881178d8cbf R08: ffffc90000793c22 R09: 0000000000000000 R10: ffff8880180cc000 R11: 00000000000000024 R12: 0000000000000000 R13: 0000000 000000020 R14: 00000000000000000 R15: ffffc90000793c22 FS: 00007f873753cbc0(0000) GS:ffff88806bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8881178d8cc3 CR3 : 00000000181ca000 CR4: 0000000000750ef0 PKRU: 55555554 Seguimiento de llamadas:  ? __morir+0x23/0x70 ? page_fault_oops+0x181/0x480? search_module_extables+0x19/0x60? srso_alias_return_thunk+0x5/0xfbef5? exc_page_fault+0x1b6/0x1c0? asm_exc_page_fault+0x26/0x30? smb2_parse_contexts+0xa0/0x3a0 [cifs] SMB2_open+0x38d/0x5f0 [cifs] ? smb2_is_path_accessible+0x138/0x260 [cifs] smb2_is_path_accessible+0x138/0x260 [cifs] cifs_is_path_remote+0x8d/0x230 [cifs] cifs_mount+0x7e/0x350 [cifs] cifs_smb3_do_mount+0x128/0x7 80 [cifs] smb3_get_tree+0xd9/0x290 [cifs] vfs_get_tree+ 0x2c/0x100? capaz+0x37/0x70 path_mount+0x2d7/0xb80? srso_alias_return_thunk+0x5/0xfbef5? _raw_spin_unlock_irqrestore+0x44/0x60 __x64_sys_mount+0x11a/0x150 do_syscall_64+0x47/0xf0 Entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f8737657b1e\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.0,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.10.211\",\"matchCriteriaId\":\"DC6905D6-5F33-4718-AAFD-C356351E82B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11.0\",\"versionEndExcluding\":\"5.15.150\",\"matchCriteriaId\":\"892B1C6C-0A61-4DAC-9F79-172AB564A179\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16.0\",\"versionEndIncluding\":\"6.1.79\",\"matchCriteriaId\":\"61F11EE9-C08A-482C-AE65-9D10AA4C8987\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.0\",\"versionEndExcluding\":\"6.6.8\",\"matchCriteriaId\":\"CD91B283-F216-4A2B-ACCB-AF90DA101D1D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/13fb0fc4917621f3dfa285a27eaf7151d770b5e5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/17a0f64cc02d4972e21c733d9f21d1c512963afa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1ae3c59355dc9882e09c020afe8ffbd895ad0f29\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6726429c18c62dbf5e96ebbd522f262e016553fb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/890bc4fac3c0973a49cac35f634579bebba7fe48\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/af1689a9b7701d9907dfc84d2a4b57c4bc907144\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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