cve-2024-56611
Vulnerability from cvelistv5
Published
2024-12-27 14:51
Modified
2025-01-20 06:24
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM We currently assume that there is at least one VMA in a MM, which isn't true. So we might end up having find_vma() return NULL, to then de-reference NULL. So properly handle find_vma() returning NULL. This fixes the report: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 6021 Comm: syz-executor284 Not tainted 6.12.0-rc7-syzkaller-00187-gf868cd251776 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:migrate_to_node mm/mempolicy.c:1090 [inline] RIP: 0010:do_migrate_pages+0x403/0x6f0 mm/mempolicy.c:1194 Code: ... RSP: 0018:ffffc9000375fd08 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffc9000375fd78 RCX: 0000000000000000 RDX: ffff88807e171300 RSI: dffffc0000000000 RDI: ffff88803390c044 RBP: ffff88807e171428 R08: 0000000000000014 R09: fffffbfff2039ef1 R10: ffffffff901cf78f R11: 0000000000000000 R12: 0000000000000003 R13: ffffc9000375fe90 R14: ffffc9000375fe98 R15: ffffc9000375fdf8 FS: 00005555919e1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555919e1ca8 CR3: 000000007f12a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kernel_migrate_pages+0x5b2/0x750 mm/mempolicy.c:1709 __do_sys_migrate_pages mm/mempolicy.c:1727 [inline] __se_sys_migrate_pages mm/mempolicy.c:1723 [inline] __x64_sys_migrate_pages+0x96/0x100 mm/mempolicy.c:1723 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [akpm@linux-foundation.org: add unlikely()]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/091c1dd2d4df6edd1beebe0e5863d4034ade9572Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42d9fe2adf8613f9eea1f0c2619c9e2611eae0eaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a13b2b9b0b0b04612c7d81e3b3dfb485c5f7abc3Patch
Impacted products
Vendor Product Version
Linux Linux Version: 39743889aaf76725152f16aa90ca3c45f6d52da3
Version: 39743889aaf76725152f16aa90ca3c45f6d52da3
Version: 39743889aaf76725152f16aa90ca3c45f6d52da3
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   Linux Linux Version: 2.6.16
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/mempolicy.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a13b2b9b0b0b04612c7d81e3b3dfb485c5f7abc3",
              "status": "affected",
              "version": "39743889aaf76725152f16aa90ca3c45f6d52da3",
              "versionType": "git"
            },
            {
              "lessThan": "42d9fe2adf8613f9eea1f0c2619c9e2611eae0ea",
              "status": "affected",
              "version": "39743889aaf76725152f16aa90ca3c45f6d52da3",
              "versionType": "git"
            },
            {
              "lessThan": "091c1dd2d4df6edd1beebe0e5863d4034ade9572",
              "status": "affected",
              "version": "39743889aaf76725152f16aa90ca3c45f6d52da3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "mm/mempolicy.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.16"
            },
            {
              "lessThan": "2.6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM\n\nWe currently assume that there is at least one VMA in a MM, which isn\u0027t\ntrue.\n\nSo we might end up having find_vma() return NULL, to then de-reference\nNULL.  So properly handle find_vma() returning NULL.\n\nThis fixes the report:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 UID: 0 PID: 6021 Comm: syz-executor284 Not tainted 6.12.0-rc7-syzkaller-00187-gf868cd251776 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024\nRIP: 0010:migrate_to_node mm/mempolicy.c:1090 [inline]\nRIP: 0010:do_migrate_pages+0x403/0x6f0 mm/mempolicy.c:1194\nCode: ...\nRSP: 0018:ffffc9000375fd08 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: ffffc9000375fd78 RCX: 0000000000000000\nRDX: ffff88807e171300 RSI: dffffc0000000000 RDI: ffff88803390c044\nRBP: ffff88807e171428 R08: 0000000000000014 R09: fffffbfff2039ef1\nR10: ffffffff901cf78f R11: 0000000000000000 R12: 0000000000000003\nR13: ffffc9000375fe90 R14: ffffc9000375fe98 R15: ffffc9000375fdf8\nFS:  00005555919e1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00005555919e1ca8 CR3: 000000007f12a000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n kernel_migrate_pages+0x5b2/0x750 mm/mempolicy.c:1709\n __do_sys_migrate_pages mm/mempolicy.c:1727 [inline]\n __se_sys_migrate_pages mm/mempolicy.c:1723 [inline]\n __x64_sys_migrate_pages+0x96/0x100 mm/mempolicy.c:1723\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n[akpm@linux-foundation.org: add unlikely()]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-20T06:24:07.923Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a13b2b9b0b0b04612c7d81e3b3dfb485c5f7abc3"
        },
        {
          "url": "https://git.kernel.org/stable/c/42d9fe2adf8613f9eea1f0c2619c9e2611eae0ea"
        },
        {
          "url": "https://git.kernel.org/stable/c/091c1dd2d4df6edd1beebe0e5863d4034ade9572"
        }
      ],
      "title": "mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56611",
    "datePublished": "2024-12-27T14:51:16.163Z",
    "dateReserved": "2024-12-27T14:03:06.013Z",
    "dateUpdated": "2025-01-20T06:24:07.923Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56611\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T15:15:20.587\",\"lastModified\":\"2025-01-06T17:22:48.560\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM\\n\\nWe currently assume that there is at least one VMA in a MM, which isn\u0027t\\ntrue.\\n\\nSo we might end up having find_vma() return NULL, to then de-reference\\nNULL.  So properly handle find_vma() returning NULL.\\n\\nThis fixes the report:\\n\\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\\nCPU: 1 UID: 0 PID: 6021 Comm: syz-executor284 Not tainted 6.12.0-rc7-syzkaller-00187-gf868cd251776 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024\\nRIP: 0010:migrate_to_node mm/mempolicy.c:1090 [inline]\\nRIP: 0010:do_migrate_pages+0x403/0x6f0 mm/mempolicy.c:1194\\nCode: ...\\nRSP: 0018:ffffc9000375fd08 EFLAGS: 00010246\\nRAX: 0000000000000000 RBX: ffffc9000375fd78 RCX: 0000000000000000\\nRDX: ffff88807e171300 RSI: dffffc0000000000 RDI: ffff88803390c044\\nRBP: ffff88807e171428 R08: 0000000000000014 R09: fffffbfff2039ef1\\nR10: ffffffff901cf78f R11: 0000000000000000 R12: 0000000000000003\\nR13: ffffc9000375fe90 R14: ffffc9000375fe98 R15: ffffc9000375fdf8\\nFS:  00005555919e1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 00005555919e1ca8 CR3: 000000007f12a000 CR4: 00000000003526f0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\nCall Trace:\\n \u003cTASK\u003e\\n kernel_migrate_pages+0x5b2/0x750 mm/mempolicy.c:1709\\n __do_sys_migrate_pages mm/mempolicy.c:1727 [inline]\\n __se_sys_migrate_pages mm/mempolicy.c:1723 [inline]\\n __x64_sys_migrate_pages+0x96/0x100 mm/mempolicy.c:1723\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\n[akpm@linux-foundation.org: add unlikely()]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm/mempolicy: se corrige el error de migrants_to_node() suponiendo que hay al menos un VMA en un MM. Actualmente, suponemos que hay al menos un VMA en un MM, lo que no es cierto. Por lo tanto, podr\u00edamos terminar haciendo que find_vma() devuelva NULL, para luego desreferenciarlo. Por lo tanto, se gestiona correctamente el error de que find_vma() devuelva NULL. Esto corrige el informe: Ups: error de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref en el rango [0x000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 6021 Comm: syz-executor284 No contaminado 6.12.0-rc7-syzkaller-00187-gf868cd251776 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:migrate_to_node mm/mempolicy.c:1090 [en l\u00ednea] RIP: 0010:do_migrate_pages+0x403/0x6f0 mm/mempolicy.c:1194 C\u00f3digo: ... RSP: 0018:ffffc9000375fd08 EFLAGS: 00010246 RAX: 000000000000000 RBX: ffffc9000375fd78 RCX: 000000000000000 RDX: ffff88807e171300 RSI: dffffc0000000000 RDI: ffff88803390c044 RBP: ffff88807e171428 R08: 0000000000000014 R09: fffffbfff2039ef1 R10: ffffffff901cf78f R11: 0000000000000000 R12: 0000000000000003 R13: ffffc9000375fe90 R14: ffffc9000375fe98 R15: ffffc9000375fdf8 FS: 00005555919e1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555919e1ca8 CR3: 000000007f12a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas:  kernel_migrate_pages+0x5b2/0x750 mm/mempolicy.c:1709 __do_sys_migrate_pages mm/mempolicy.c:1727 [en l\u00ednea] __se_sys_migrate_pages mm/mempolicy.c:1723 [en l\u00ednea] __x64_sys_migrate_pages+0x96/0x100 mm/mempolicy.c:1723 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [akpm@linux-foundation.org: agregar improbable()]\"}],\"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:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.16\",\"versionEndExcluding\":\"6.6.66\",\"matchCriteriaId\":\"FE619D1D-A017-4BE5-AB50-183794C0C729\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.5\",\"matchCriteriaId\":\"9501D045-7A94-42CA-8B03-821BE94A65B7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/091c1dd2d4df6edd1beebe0e5863d4034ade9572\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/42d9fe2adf8613f9eea1f0c2619c9e2611eae0ea\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a13b2b9b0b0b04612c7d81e3b3dfb485c5f7abc3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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