cve-2023-52752
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2024-08-02 23:11
Severity
8.4 (High) - cvssV3_1 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
smb: client: fix use-after-free bug in cifs_debug_data_proc_show()
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ab6f842452ce2cae04209d4671ac6289d0aef8aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/558817597d5fbd7af31f891b67b0fd20f0d047b7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89929ea46f9cc11ba66d2c64713aa5d5dc723b09Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d328c09ee9f15ee5a26431f5aad7c9239fa85e62Patch
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
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              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
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            "versions": [
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              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 8.4,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
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              "content": {
                "id": "CVE-2023-52752",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-22T17:22:07.851461Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "dateUpdated": "2024-08-02T23:11:35.175Z",
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/cifs_debug.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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          "vendor": "Linux",
          "versions": [
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix use-after-free bug in cifs_debug_data_proc_show()\n\nSkip SMB sessions that are being teared down\n(e.g. @ses-\u003eses_status == SES_EXITING) in cifs_debug_data_proc_show()\nto avoid use-after-free in @ses.\n\nThis fixes the following GPF when reading from /proc/fs/cifs/DebugData\nwhile mounting and umounting\n\n  [ 816.251274] general protection fault, probably for non-canonical\n  address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI\n  ...\n  [  816.260138] Call Trace:\n  [  816.260329]  \u003cTASK\u003e\n  [  816.260499]  ? die_addr+0x36/0x90\n  [  816.260762]  ? exc_general_protection+0x1b3/0x410\n  [  816.261126]  ? asm_exc_general_protection+0x26/0x30\n  [  816.261502]  ? cifs_debug_tcon+0xbd/0x240 [cifs]\n  [  816.261878]  ? cifs_debug_tcon+0xab/0x240 [cifs]\n  [  816.262249]  cifs_debug_data_proc_show+0x516/0xdb0 [cifs]\n  [  816.262689]  ? seq_read_iter+0x379/0x470\n  [  816.262995]  seq_read_iter+0x118/0x470\n  [  816.263291]  proc_reg_read_iter+0x53/0x90\n  [  816.263596]  ? srso_alias_return_thunk+0x5/0x7f\n  [  816.263945]  vfs_read+0x201/0x350\n  [  816.264211]  ksys_read+0x75/0x100\n  [  816.264472]  do_syscall_64+0x3f/0x90\n  [  816.264750]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n  [  816.265135] RIP: 0033:0x7fd5e669d381"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-29T05:16:41.388Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/558817597d5fbd7af31f891b67b0fd20f0d047b7"
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          "url": "https://git.kernel.org/stable/c/89929ea46f9cc11ba66d2c64713aa5d5dc723b09"
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          "url": "https://git.kernel.org/stable/c/0ab6f842452ce2cae04209d4671ac6289d0aef8a"
        },
        {
          "url": "https://git.kernel.org/stable/c/d328c09ee9f15ee5a26431f5aad7c9239fa85e62"
        }
      ],
      "title": "smb: client: fix use-after-free bug in cifs_debug_data_proc_show()",
      "x_generator": {
        "engine": "bippy-a5840b7849dd"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52752",
    "datePublished": "2024-05-21T15:30:40.901Z",
    "dateReserved": "2024-05-21T15:19:24.234Z",
    "dateUpdated": "2024-08-02T23:11:35.175Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52752\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T16:15:14.833\",\"lastModified\":\"2024-07-03T01:43:54.420\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsmb: client: fix use-after-free bug in cifs_debug_data_proc_show()\\n\\nSkip SMB sessions that are being teared down\\n(e.g. @ses-\u003eses_status == SES_EXITING) in cifs_debug_data_proc_show()\\nto avoid use-after-free in @ses.\\n\\nThis fixes the following GPF when reading from /proc/fs/cifs/DebugData\\nwhile mounting and umounting\\n\\n  [ 816.251274] general protection fault, probably for non-canonical\\n  address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI\\n  ...\\n  [  816.260138] Call Trace:\\n  [  816.260329]  \u003cTASK\u003e\\n  [  816.260499]  ? die_addr+0x36/0x90\\n  [  816.260762]  ? exc_general_protection+0x1b3/0x410\\n  [  816.261126]  ? asm_exc_general_protection+0x26/0x30\\n  [  816.261502]  ? cifs_debug_tcon+0xbd/0x240 [cifs]\\n  [  816.261878]  ? cifs_debug_tcon+0xab/0x240 [cifs]\\n  [  816.262249]  cifs_debug_data_proc_show+0x516/0xdb0 [cifs]\\n  [  816.262689]  ? seq_read_iter+0x379/0x470\\n  [  816.262995]  seq_read_iter+0x118/0x470\\n  [  816.263291]  proc_reg_read_iter+0x53/0x90\\n  [  816.263596]  ? srso_alias_return_thunk+0x5/0x7f\\n  [  816.263945]  vfs_read+0x201/0x350\\n  [  816.264211]  ksys_read+0x75/0x100\\n  [  816.264472]  do_syscall_64+0x3f/0x90\\n  [  816.264750]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8\\n  [  816.265135] RIP: 0033:0x7fd5e669d381\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb: cliente: corrige el error de use after free en cifs_debug_data_proc_show(). Omitir sesiones SMB que se est\u00e1n eliminando (por ejemplo, @ses-\u0026gt;ses_status == SES_EXITING) en cifs_debug_data_proc_show() para evitar el use after free en @ses. Esto corrige el siguiente GPF al leer desde /proc/fs/cifs/DebugData mientras se monta y desmonta [816.251274] falla de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI... [816.260138] Llamada Seguimiento: [816.260329]  [816.260499] ? die_addr+0x36/0x90 [816.260762]? exc_general_protection+0x1b3/0x410 [816.261126]? asm_exc_general_protection+0x26/0x30 [816.261502]? cifs_debug_tcon+0xbd/0x240 [cifs] [816.261878]? cifs_debug_tcon+0xab/0x240 [cifs] [816.262249] cifs_debug_data_proc_show+0x516/0xdb0 [cifs] [816.262689]? seq_read_iter+0x379/0x470 [816.262995] seq_read_iter+0x118/0x470 [816.263291] proc_reg_read_iter+0x53/0x90 [816.263596] ? srso_alias_return_thunk+0x5/0x7f [ 816.263945] vfs_read+0x201/0x350 [ 816.264211] ksys_read+0x75/0x100 [ 816.264472] do_syscall_64+0x3f/0x90 [ 816.2647 50] entrada_SYSCALL_64_after_hwframe+0x6e/0xd8 [816.265135] RIP: 0033:0x7fd5e669d381\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.1.64\",\"matchCriteriaId\":\"B8093658-5835-493E-9047-EEC6269C0BB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.5.13\",\"matchCriteriaId\":\"674C4F82-C336-4B49-BF64-1DE422E889C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6\",\"versionEndExcluding\":\"6.6.3\",\"matchCriteriaId\":\"B58252FA-A49C-411F-9B28-DC5FE44BC5A0\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0ab6f842452ce2cae04209d4671ac6289d0aef8a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/558817597d5fbd7af31f891b67b0fd20f0d047b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/89929ea46f9cc11ba66d2c64713aa5d5dc723b09\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d328c09ee9f15ee5a26431f5aad7c9239fa85e62\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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