{
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        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.8 x86_64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2024-53143",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-53143"
    },
    {
      "name": "CVE-2026-53202",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53202"
    },
    {
      "name": "CVE-2026-31530",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31530"
    },
    {
      "name": "CVE-2026-64531",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64531"
    },
    {
      "name": "CVE-2026-31787",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31787"
    },
    {
      "name": "CVE-2026-64368",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64368"
    },
    {
      "name": "CVE-2026-53009",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53009"
    },
    {
      "name": "CVE-2025-10263",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-10263"
    },
    {
      "name": "CVE-2026-64300",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64300"
    },
    {
      "name": "CVE-2026-53059",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53059"
    },
    {
      "name": "CVE-2026-45991",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-45991"
    },
    {
      "name": "CVE-2026-46054",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-46054"
    },
    {
      "name": "CVE-2026-63887",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-63887"
    },
    {
      "name": "CVE-2026-64496",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64496"
    },
    {
      "name": "CVE-2025-54518",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-54518"
    },
    {
      "name": "CVE-2026-23415",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23415"
    },
    {
      "name": "CVE-2025-71131",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71131"
    },
    {
      "name": "CVE-2026-52976",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-52976"
    },
    {
      "name": "CVE-2026-31488",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31488"
    },
    {
      "name": "CVE-2026-43112",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43112"
    },
    {
      "name": "CVE-2026-53264",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53264"
    },
    {
      "name": "CVE-2026-52923",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-52923"
    },
    {
      "name": "CVE-2025-71072",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71072"
    }
  ],
  "initial_release_date": "2026-08-14T00:00:00",
  "last_revision_date": "2026-08-14T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1028",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-08-14T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Red Hat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire, une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de service \u00e0 distance.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
  "vendor_advisories": [
    {
      "published_at": "2026-08-12",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:53990",
      "url": "https://access.redhat.com/errata/RHSA-2026:53990"
    },
    {
      "published_at": "2026-08-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:52761",
      "url": "https://access.redhat.com/errata/RHSA-2026:52761"
    },
    {
      "published_at": "2026-08-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:54515",
      "url": "https://access.redhat.com/errata/RHSA-2026:54515"
    },
    {
      "published_at": "2026-08-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:52667",
      "url": "https://access.redhat.com/errata/RHSA-2026:52667"
    },
    {
      "published_at": "2026-08-12",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:54443",
      "url": "https://access.redhat.com/errata/RHSA-2026:54443"
    },
    {
      "published_at": "2026-08-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:52649",
      "url": "https://access.redhat.com/errata/RHSA-2026:52649"
    },
    {
      "published_at": "2026-08-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:54482",
      "url": "https://access.redhat.com/errata/RHSA-2026:54482"
    },
    {
      "published_at": "2026-08-07",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:51746",
      "url": "https://access.redhat.com/errata/RHSA-2026:51746"
    },
    {
      "published_at": "2026-08-12",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:54246",
      "url": "https://access.redhat.com/errata/RHSA-2026:54246"
    },
    {
      "published_at": "2026-08-12",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:54343",
      "url": "https://access.redhat.com/errata/RHSA-2026:54343"
    },
    {
      "published_at": "2026-08-11",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:53329",
      "url": "https://access.redhat.com/errata/RHSA-2026:53329"
    },
    {
      "published_at": "2026-08-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:52765",
      "url": "https://access.redhat.com/errata/RHSA-2026:52765"
    },
    {
      "published_at": "2026-08-11",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:53330",
      "url": "https://access.redhat.com/errata/RHSA-2026:53330"
    }
  ]
}

{
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          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-log.c"
          ],
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          "vendor": "Linux",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.12"
            },
            {
              "lessThan": "2.6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
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              "status": "unaffected",
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            },
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              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
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          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "affectedData": [
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.2"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
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              "status": "unaffected",
              "version": "0:6.12.0-211.39.1.el10_2",
              "versionType": "rpm"
            }
          ]
        },
        {
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          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::nfv"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel-rt",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
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              "lessThan": "*",
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          ]
        },
        {
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          ],
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          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
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              "status": "unaffected",
              "version": "0:4.18.0-553.147.1.el8_10",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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            "cpe:/o:redhat:rhel_aus:8.4"
          ],
          "defaultStatus": "affected",
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          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
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            {
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              "status": "unaffected",
              "version": "0:4.18.0-305.200.1.el8_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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            "cpe:/o:redhat:rhel_eus_long_life:8.4"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.18.0-305.200.1.el8_4",
              "versionType": "rpm"
            }
          ]
        },
        {
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            "cpe:/o:redhat:rhel_tus:8.8"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "vendor": "Red Hat",
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            {
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              "status": "unaffected",
              "version": "0:4.18.0-477.158.1.el8_8",
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          ]
        },
        {
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          "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
          "vendor": "Red Hat",
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              "status": "unaffected",
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        },
        {
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          "product": "Red Hat Enterprise Linux 9",
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            }
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        },
        {
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          ],
          "defaultStatus": "unknown",
          "packageName": "kernel",
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          "vendor": "Red Hat"
        },
        {
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          "defaultStatus": "affected",
          "packageName": "kernel",
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          "vendor": "Red Hat"
        },
        {
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          ],
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          "vendor": "Red Hat"
        },
        {
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          ],
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          "packageName": "kernel-rt",
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      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
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  ],
  "configurations": [
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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm log: fix out-of-bounds write due to region_count overflow\n\nThe local variable region_count in create_log_context() is declared as\nunsigned int (32-bit), but dm_sector_div_up() returns sector_t (64-bit).\nWhen a device-mapper target has a sufficiently large ti-\u003elen with a small\nregion_size, the division result can exceed UINT_MAX. The truncated\nvalue is then used to calculate bitset_size, causing clean_bits,\nsync_bits, and recovering_bits to be allocated far smaller than needed\nfor the actual number of regions.\n\nSubsequent log operations (log_set_bit, log_clear_bit, log_test_bit) use\nregion indices derived from the full untruncated region space, causing\nout-of-bounds writes to kernel heap memory allocated by vmalloc.\n\nThis can be reproduced by creating a mirror target whose region_count\noverflows 32 bits:\n\n  dmsetup create bigzero --table \u00270 8589934594 zero\u0027\n  dmsetup create mymirror --table \u00270 8589934594 mirror \\\n    core 2 2 nosync 2 /dev/mapper/bigzero 0 \\\n    /dev/mapper/bigzero 0\u0027\n\nThe status output confirms the truncation (sync_count=1 instead of\n4294967297, because 0x100000001 was truncated to 1):\n\n  $ dmsetup status mymirror\n  0 8589934594 mirror 2 254:1 254:1 1/4294967297 ...\n\nThis leads to a kernel crash in core_in_sync:\n\n  BUG: scheduling while atomic: (udev-worker)/9150/0x00000000\n  RIP: 0010:core_in_sync+0x14/0x30 [dm_log]\n  CR2: 0000000000000008\n  Fixing recursive fault but reboot is needed!\n\nFix by widening the local region_count to sector_t and adding an\nexplicit overflow check before the value is assigned to lc-\u003eregion_count."
    }
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{
  "affected": [],
  "aliases": [
    "CVE-2026-53059"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T17:17:18Z",
    "severity": "HIGH"
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  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm log: fix out-of-bounds write due to region_count overflow\n\nThe local variable region_count in create_log_context() is declared as\nunsigned int (32-bit), but dm_sector_div_up() returns sector_t (64-bit).\nWhen a device-mapper target has a sufficiently large ti-\u003elen with a small\nregion_size, the division result can exceed UINT_MAX. The truncated\nvalue is then used to calculate bitset_size, causing clean_bits,\nsync_bits, and recovering_bits to be allocated far smaller than needed\nfor the actual number of regions.\n\nSubsequent log operations (log_set_bit, log_clear_bit, log_test_bit) use\nregion indices derived from the full untruncated region space, causing\nout-of-bounds writes to kernel heap memory allocated by vmalloc.\n\nThis can be reproduced by creating a mirror target whose region_count\noverflows 32 bits:\n\n  dmsetup create bigzero --table \u00270 8589934594 zero\u0027\n  dmsetup create mymirror --table \u00270 8589934594 mirror \\\n    core 2 2 nosync 2 /dev/mapper/bigzero 0 \\\n    /dev/mapper/bigzero 0\u0027\n\nThe status output confirms the truncation (sync_count=1 instead of\n4294967297, because 0x100000001 was truncated to 1):\n\n  $ dmsetup status mymirror\n  0 8589934594 mirror 2 254:1 254:1 1/4294967297 ...\n\nThis leads to a kernel crash in core_in_sync:\n\n  BUG: scheduling while atomic: (udev-worker)/9150/0x00000000\n  RIP: 0010:core_in_sync+0x14/0x30 [dm_log]\n  CR2: 0000000000000008\n  Fixing recursive fault but reboot is needed!\n\nFix by widening the local region_count to sector_t and adding an\nexplicit overflow check before the value is assigned to lc-\u003eregion_count.",
  "id": "GHSA-vj88-ppr4-hj46",
  "modified": "2026-08-12T12:32:54Z",
  "published": "2026-06-24T18:32:45Z",
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{
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        "title": "Additional Resources"
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      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
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}