cve-2023-52922
Vulnerability from cvelistv5
Published
2024-11-28 15:09
Modified
2024-12-19 08:28
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
can: bcm: Fix UAF in bcm_proc_show()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11b8e27ed448baa385d90154a141466bd5e92f18Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3c3941bb1eb53abe7d640ffee5c4d6b559829ab3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/55c3b96074f3f9b0aee19bf93cd71af7516582bbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/995f47d76647708ec26c6e388663ad4f3f264787Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ffPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cf254b4f68e480e73dab055014e002b77aed30edPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-52922",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-12-11T14:25:19.812424Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2024-12-11T14:58:31.347Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/can/bcm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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            {
              "lessThan": "dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7",
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              "versionType": "git"
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/can/bcm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.25"
            },
            {
              "lessThan": "2.6.25",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.322",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.291",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.251",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.188",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.123",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Fix UAF in bcm_proc_show()\n\nBUG: KASAN: slab-use-after-free in bcm_proc_show+0x969/0xa80\nRead of size 8 at addr ffff888155846230 by task cat/7862\n\nCPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0xd5/0x150\n print_report+0xc1/0x5e0\n kasan_report+0xba/0xf0\n bcm_proc_show+0x969/0xa80\n seq_read_iter+0x4f6/0x1260\n seq_read+0x165/0x210\n proc_reg_read+0x227/0x300\n vfs_read+0x1d5/0x8d0\n ksys_read+0x11e/0x240\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nAllocated by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n __kasan_kmalloc+0x9e/0xa0\n bcm_sendmsg+0x264b/0x44e0\n sock_sendmsg+0xda/0x180\n ____sys_sendmsg+0x735/0x920\n ___sys_sendmsg+0x11d/0x1b0\n __sys_sendmsg+0xfa/0x1d0\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nFreed by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_save_free_info+0x27/0x40\n ____kasan_slab_free+0x161/0x1c0\n slab_free_freelist_hook+0x119/0x220\n __kmem_cache_free+0xb4/0x2e0\n rcu_core+0x809/0x1bd0\n\nbcm_op is freed before procfs entry be removed in bcm_release(),\nthis lead to bcm_proc_show() may read the freed bcm_op."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T08:28:37.189Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/11b8e27ed448baa385d90154a141466bd5e92f18"
        },
        {
          "url": "https://git.kernel.org/stable/c/9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff"
        },
        {
          "url": "https://git.kernel.org/stable/c/9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6"
        },
        {
          "url": "https://git.kernel.org/stable/c/cf254b4f68e480e73dab055014e002b77aed30ed"
        },
        {
          "url": "https://git.kernel.org/stable/c/3c3941bb1eb53abe7d640ffee5c4d6b559829ab3"
        },
        {
          "url": "https://git.kernel.org/stable/c/995f47d76647708ec26c6e388663ad4f3f264787"
        },
        {
          "url": "https://git.kernel.org/stable/c/dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7"
        },
        {
          "url": "https://git.kernel.org/stable/c/55c3b96074f3f9b0aee19bf93cd71af7516582bb"
        }
      ],
      "title": "can: bcm: Fix UAF in bcm_proc_show()",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52922",
    "datePublished": "2024-11-28T15:09:51.360Z",
    "dateReserved": "2024-08-21T06:07:11.018Z",
    "dateUpdated": "2024-12-19T08:28:37.189Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52922\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-28T15:15:17.260\",\"lastModified\":\"2025-03-24T17:21:19.630\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: bcm: Fix UAF in bcm_proc_show()\\n\\nBUG: KASAN: slab-use-after-free in bcm_proc_show+0x969/0xa80\\nRead of size 8 at addr ffff888155846230 by task cat/7862\\n\\nCPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0xd5/0x150\\n print_report+0xc1/0x5e0\\n kasan_report+0xba/0xf0\\n bcm_proc_show+0x969/0xa80\\n seq_read_iter+0x4f6/0x1260\\n seq_read+0x165/0x210\\n proc_reg_read+0x227/0x300\\n vfs_read+0x1d5/0x8d0\\n ksys_read+0x11e/0x240\\n do_syscall_64+0x35/0xb0\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nAllocated by task 7846:\\n kasan_save_stack+0x1e/0x40\\n kasan_set_track+0x21/0x30\\n __kasan_kmalloc+0x9e/0xa0\\n bcm_sendmsg+0x264b/0x44e0\\n sock_sendmsg+0xda/0x180\\n ____sys_sendmsg+0x735/0x920\\n ___sys_sendmsg+0x11d/0x1b0\\n __sys_sendmsg+0xfa/0x1d0\\n do_syscall_64+0x35/0xb0\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nFreed by task 7846:\\n kasan_save_stack+0x1e/0x40\\n kasan_set_track+0x21/0x30\\n kasan_save_free_info+0x27/0x40\\n ____kasan_slab_free+0x161/0x1c0\\n slab_free_freelist_hook+0x119/0x220\\n __kmem_cache_free+0xb4/0x2e0\\n rcu_core+0x809/0x1bd0\\n\\nbcm_op is freed before procfs entry be removed in bcm_release(),\\nthis lead to bcm_proc_show() may read the freed bcm_op.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: bcm: Fix UAF en bcm_proc_show() BUG: KASAN: slab-use-after-free en bcm_proc_show+0x969/0xa80 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888155846230 por la tarea cat/7862 CPU: 1 PID: 7862 Comm: cat No contaminado 6.5.0-rc1-00153-gc8746099c197 #230 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Seguimiento de llamadas:  dump_stack_lvl+0xd5/0x150 print_report+0xc1/0x5e0 Asignado por la tarea 7846: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 __kasan_kmalloc+0x9e/0xa0 bcm_sendmsg+0x264b/0x44e0 sock_sendmsg+0xda/0x180 ____sys_sendmsg+0x735/0x920 ___sys_sendmsg+0x11d/0x1b0 __sys_sendmsg+0xfa/0x1d0 do_syscall_64+0x35/0xb0 entry_SYSCALL_64_after_hwframe+0x63/0xcd Liberado por la tarea 7846: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_save_free_info+0x27/0x40 ____kasan_slab_free+0x161/0x1c0 slab_free_freelist_hook+0x119/0x220 __kmem_cache_free+0xb4/0x2e0 rcu_core+0x809/0x1bd0 bcm_op se libera antes de que se elimine la entrada procfs en bcm_release(), esto lleva a que bcm_proc_show() pueda leer el bcm_op liberado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"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:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.25\",\"versionEndExcluding\":\"4.14.322\",\"matchCriteriaId\":\"115EB87B-910D-4A3D-B8DF-5F281A7E12A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.291\",\"matchCriteriaId\":\"D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.251\",\"matchCriteriaId\":\"7FA663C4-CA72-4B5A-8592-7354D978F58E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.188\",\"matchCriteriaId\":\"43CAE50A-4A6C-488E-813C-F8DB77C13C8B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.123\",\"matchCriteriaId\":\"372C0BAA-44F5-4829-A7B0-E4924B682DA4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.42\",\"matchCriteriaId\":\"6E769E6A-7EEF-4FA8-BF41-6CA1CE537361\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.4.7\",\"matchCriteriaId\":\"60A1A1ED-EA6C-42F6-80D3-3316DC7608C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B3E6E4D-E24E-4630-B00C-8C9901C597B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"E4A01A71-0F09-4DB2-A02F-7EFFBE27C98D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/11b8e27ed448baa385d90154a141466bd5e92f18\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3c3941bb1eb53abe7d640ffee5c4d6b559829ab3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/55c3b96074f3f9b0aee19bf93cd71af7516582bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/995f47d76647708ec26c6e388663ad4f3f264787\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cf254b4f68e480e73dab055014e002b77aed30ed\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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