CVE-2026-72420 (GCVE-0-2026-72420)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:56 – Updated: 2026-08-17 05:44
VLAI
Title
md/raid5: avoid R5_Overlap races while breaking stripe batches
Summary
In the Linux kernel, the following vulnerability has been resolved: md/raid5: avoid R5_Overlap races while breaking stripe batches KCSAN report a race in break_stripe_batch_list() vs. raid5_make_request() on sh->dev[i].flags (plain word write vs. atomic bit op).. and .. one possible scenario is: CPU1 CPU2 break_stripe_batch_list(sh1) -> handle sh2 -> lock(sh2) -> sh2->batch_head = NULL -> unlock(sh2) -> test_and_clear_bit(R5_Overlap, sh2->dev[i].flags) -> wake_up_bit(sh2->dev[i].flags) raid5_make_request() -> add_all_stripe_bios(sh2) -> lock(sh2) -> stripe_bio_overlaps(sh2) returns true batch_head is NULL, so new bio overlap exist bio on sh2 -> true -> set_bit(R5_Overlap, sh2->dev[i].flags) -> unlock(sh2) -> wait_on_bit(sh2->dev[i].flags) -> sh2->dev[i].flags = sh1->dev[i].flags & ~R5_Overlap No wait_up_bit(), CPU2 could be wait_on_bit() forever... Fix by : - Expand the protect zone. - Use batch_head's device flag's snaphot when no held head_sh->stripe_lock. - Move sh/head_sh->batch_head = NULL to the end of protected zone , and , any concurrent add_all_stripe_bios() grabs sh->stripe_lock now either: - see batch_head != null, and , is rejected by stripe_bio_overlaps() under the lock (no R5_Overlap wait ) , or , - sees batch_head == NULL, only after dev[i].flags has already been set and the prior R5_Overlap waiters worken. KCSAN report: ================================================ BUG: KCSAN: data-race in break_stripe_batch_list / raid5_make_request write (marked) to 0xffff8e89c8117548 of 8 bytes by task 4042 on cpu 0: raid5_make_request+0xea0/0x2930 md_handle_request+0x4a2/0xa40 md_submit_bio+0x109/0x1a0 __submit_bio+0x2ec/0x390 submit_bio_noacct_nocheck+0x457/0x710 submit_bio_noacct+0x2a7/0xc20 submit_bio+0x56/0x250 blkdev_direct_IO+0x54c/0xda0 blkdev_write_iter+0x38f/0x570 aio_write+0x22b/0x490 io_submit_one+0xa51/0xf70 __x64_sys_io_submit+0xf7/0x220 x64_sys_call+0x1907/0x1c60 do_syscall_64+0x130/0x570 entry_SYSCALL_64_after_hwframe+0x76/0x7e read to 0xffff8e89c8117548 of 8 bytes by task 4010 on cpu 5: break_stripe_batch_list+0x249/0x480 handle_stripe_clean_event+0x720/0x9b0 handle_stripe+0x32fb/0x4500 handle_active_stripes.isra.0+0x6e0/0xa50 raid5d+0x7e0/0xba0 md_thread+0x15a/0x2d0 kthread+0x1e3/0x220 ret_from_fork+0x37a/0x410 ret_from_fork_asm+0x1a/0x30 value changed: 0x0000000000000019 -> 0x0000000000000099 --> R5_Overlap
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: fb642b92c267beeefd352af9bc461eac93a7552c , < 8031b0d02bd221a5f9add4357e291fc2a527b83a (git)
Affected: fb642b92c267beeefd352af9bc461eac93a7552c , < 4d919c9b770996365806b6c8d701912d52baa306 (git)
Affected: fb642b92c267beeefd352af9bc461eac93a7552c , < d684b72dfbd320623ccaab0779aa841190488e7c (git)
Affected: fb642b92c267beeefd352af9bc461eac93a7552c , < 55b77337bdd088c77461588e5ec094421b89911b (git)
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Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/raid5.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
              "versionType": "git"
            },
            {
              "lessThan": "4d919c9b770996365806b6c8d701912d52baa306",
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              "versionType": "git"
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              "versionType": "git"
            },
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              "versionType": "git"
            }
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        },
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          "product": "Linux",
          "programFiles": [
            "drivers/md/raid5.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.1"
            },
            {
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
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      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: avoid R5_Overlap races while breaking stripe batches\n\nKCSAN report a race in break_stripe_batch_list() vs. raid5_make_request()\non sh-\u003edev[i].flags (plain word write vs. atomic bit op)..\n\nand .. one possible scenario is:\n\nCPU1                            CPU2\nbreak_stripe_batch_list(sh1)\n-\u003e handle sh2\n-\u003e lock(sh2)\n-\u003e sh2-\u003ebatch_head = NULL\n-\u003e unlock(sh2)\n-\u003e test_and_clear_bit(R5_Overlap, sh2-\u003edev[i].flags)\n-\u003e wake_up_bit(sh2-\u003edev[i].flags)\n                                raid5_make_request()\n                                -\u003e add_all_stripe_bios(sh2)\n                                -\u003e lock(sh2)\n                                -\u003e stripe_bio_overlaps(sh2) returns true\n\t\t\t\t   batch_head is NULL, so new bio overlap\n\t\t\t\t   exist bio on sh2 -\u003e true\n                                -\u003e set_bit(R5_Overlap, sh2-\u003edev[i].flags)\n                                -\u003e unlock(sh2)\n                                -\u003e wait_on_bit(sh2-\u003edev[i].flags)\n-\u003e sh2-\u003edev[i].flags = sh1-\u003edev[i].flags \u0026 ~R5_Overlap\n\nNo wait_up_bit(), CPU2 could be wait_on_bit() forever...\n\nFix by :\n- Expand the protect zone.\n- Use batch_head\u0027s device flag\u0027s snaphot when no held head_sh-\u003estripe_lock.\n- Move sh/head_sh-\u003ebatch_head = NULL to the end of protected zone , and ,\n  any concurrent add_all_stripe_bios() grabs sh-\u003estripe_lock now either:\n\t- see batch_head != null, and , is rejected by stripe_bio_overlaps()\n\t  under the lock (no R5_Overlap wait ) , or ,\n\t- sees batch_head == NULL, only after dev[i].flags has already been\n\t  set and the prior R5_Overlap waiters worken.\n\nKCSAN report:\n================================================\n  BUG: KCSAN: data-race in break_stripe_batch_list / raid5_make_request\n\n  write (marked) to 0xffff8e89c8117548 of 8 bytes by task 4042 on cpu 0:\n    raid5_make_request+0xea0/0x2930\n    md_handle_request+0x4a2/0xa40\n    md_submit_bio+0x109/0x1a0\n    __submit_bio+0x2ec/0x390\n    submit_bio_noacct_nocheck+0x457/0x710\n    submit_bio_noacct+0x2a7/0xc20\n    submit_bio+0x56/0x250\n    blkdev_direct_IO+0x54c/0xda0\n    blkdev_write_iter+0x38f/0x570\n    aio_write+0x22b/0x490\n    io_submit_one+0xa51/0xf70\n    __x64_sys_io_submit+0xf7/0x220\n    x64_sys_call+0x1907/0x1c60\n    do_syscall_64+0x130/0x570\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n  read to 0xffff8e89c8117548 of 8 bytes by task 4010 on cpu 5:\n    break_stripe_batch_list+0x249/0x480\n    handle_stripe_clean_event+0x720/0x9b0\n    handle_stripe+0x32fb/0x4500\n    handle_active_stripes.isra.0+0x6e0/0xa50\n    raid5d+0x7e0/0xba0\n    md_thread+0x15a/0x2d0\n    kthread+0x1e3/0x220\n    ret_from_fork+0x37a/0x410\n    ret_from_fork_asm+0x1a/0x30\n\n  value changed: 0x0000000000000019 -\u003e 0x0000000000000099 --\u003e R5_Overlap"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - RAID5/md arrays commonly back internet-facing NAS and SAN servers; remote writes via NFS, SMB (ksmbd), or iSCSI/NVMe-oF targets reach raid5_make_request() through the server block layer when flushing data to the array.\nAC:L - The KCSAN race needs concurrent full-stripe writes during batch teardown; an attacker can reliably drive both sides with parallel aio/io_submit or network storage clients hammering the same stripes without depending on uncontrollable timing or rare kernel configs.\nPR:L - Exploitation requires only permission to issue writes that hit the RAID5 device (e.g., a storage client account, local user writing to a filesystem on /dev/md*, or block-device access), not init-namespace root or CAP_SYS_ADMIN on the host.\nUI:N - Triggering the race is fully automated through concurrent I/O requests; no victim click, mount, or other interactive action beyond the attacker\u0027s own write traffic is required.\nS:U - Impact is confined to kernel RAID5 I/O handling and data on the affected host or its directly attached arrays; it does not cross VM, container, or IOMMU security boundaries.\nC:H - KCSAN documents a data race on r5dev-\u003eflags where break_stripe_batch_list() plain-writes the whole flags word concurrent with atomic bitops, which can corrupt R5_UPTODATE/R5_Insync state and expose stale stripe cache contents to readers.\nI:H - The same non-atomic flags overwrite can desynchronize stripe bookkeeping and in-flight write state during batch break, enabling incorrect parity/rebuild decisions and corrupted or misdirected full-stripe writes to RAID member devices.\nA:H - The documented failure leaves raid5_make_request() threads stuck in TASK_UNINTERRUPTIBLE wait_on_bit() forever when R5_Overlap is cleared without wake_up_bit(), hanging I/O workers and enabling repeatable denial of storage service."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:44:00.561Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8031b0d02bd221a5f9add4357e291fc2a527b83a"
        },
        {
          "url": "https://git.kernel.org/stable/c/4d919c9b770996365806b6c8d701912d52baa306"
        },
        {
          "url": "https://git.kernel.org/stable/c/d684b72dfbd320623ccaab0779aa841190488e7c"
        },
        {
          "url": "https://git.kernel.org/stable/c/55b77337bdd088c77461588e5ec094421b89911b"
        }
      ],
      "title": "md/raid5: avoid R5_Overlap races while breaking stripe batches",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72420",
    "datePublished": "2026-08-15T05:56:39.802Z",
    "dateReserved": "2026-08-09T03:40:39.927Z",
    "dateUpdated": "2026-08-17T05:44:00.561Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-72420",
      "date": "2026-09-21",
      "epss": "0.00445",
      "percentile": "0.3799"
    },
    "microsoft_vex": {
      "current_release_date": "2026-08-23T15:00:13.000Z",
      "cve": "CVE-2026-72420",
      "id": "msrc_CVE-2026-72420",
      "initial_release_date": "2026-08-23T15:00:13.000Z",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "md/raid5: avoid R5_Overlap races while breaking stripe batches",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-72420.json",
      "version": "1"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/md/raid5.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "8031b0d02bd221a5f9add4357e291fc2a527b83a",
                    "status": "affected",
                    "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
                    "versionType": "git"
                  },
                  {
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                    "status": "affected",
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                    "versionType": "git"
                  },
                  {
                    "lessThan": "d684b72dfbd320623ccaab0779aa841190488e7c",
                    "status": "affected",
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                    "versionType": "git"
                  },
                  {
                    "lessThan": "55b77337bdd088c77461588e5ec094421b89911b",
                    "status": "affected",
                    "version": "fb642b92c267beeefd352af9bc461eac93a7552c",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/md/raid5.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "4.1"
                  },
                  {
                    "lessThan": "4.1",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.97",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.40",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.1.*",
                    "status": "unaffected",
                    "version": "7.1.5",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "7.2",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: avoid R5_Overlap races while breaking stripe batches\n\nKCSAN report a race in break_stripe_batch_list() vs. raid5_make_request()\non sh-\u003edev[i].flags (plain word write vs. atomic bit op)..\n\nand .. one possible scenario is:\n\nCPU1                            CPU2\nbreak_stripe_batch_list(sh1)\n-\u003e handle sh2\n-\u003e lock(sh2)\n-\u003e sh2-\u003ebatch_head = NULL\n-\u003e unlock(sh2)\n-\u003e test_and_clear_bit(R5_Overlap, sh2-\u003edev[i].flags)\n-\u003e wake_up_bit(sh2-\u003edev[i].flags)\n                                raid5_make_request()\n                                -\u003e add_all_stripe_bios(sh2)\n                                -\u003e lock(sh2)\n                                -\u003e stripe_bio_overlaps(sh2) returns true\n\t\t\t\t   batch_head is NULL, so new bio overlap\n\t\t\t\t   exist bio on sh2 -\u003e true\n                                -\u003e set_bit(R5_Overlap, sh2-\u003edev[i].flags)\n                                -\u003e unlock(sh2)\n                                -\u003e wait_on_bit(sh2-\u003edev[i].flags)\n-\u003e sh2-\u003edev[i].flags = sh1-\u003edev[i].flags \u0026 ~R5_Overlap\n\nNo wait_up_bit(), CPU2 could be wait_on_bit() forever...\n\nFix by :\n- Expand the protect zone.\n- Use batch_head\u0027s device flag\u0027s snaphot when no held head_sh-\u003estripe_lock.\n- Move sh/head_sh-\u003ebatch_head = NULL to the end of protected zone , and ,\n  any concurrent add_all_stripe_bios() grabs sh-\u003estripe_lock now either:\n\t- see batch_head != null, and , is rejected by stripe_bio_overlaps()\n\t  under the lock (no R5_Overlap wait ) , or ,\n\t- sees batch_head == NULL, only after dev[i].flags has already been\n\t  set and the prior R5_Overlap waiters worken.\n\nKCSAN report:\n================================================\n  BUG: KCSAN: data-race in break_stripe_batch_list / raid5_make_request\n\n  write (marked) to 0xffff8e89c8117548 of 8 bytes by task 4042 on cpu 0:\n    raid5_make_request+0xea0/0x2930\n    md_handle_request+0x4a2/0xa40\n    md_submit_bio+0x109/0x1a0\n    __submit_bio+0x2ec/0x390\n    submit_bio_noacct_nocheck+0x457/0x710\n    submit_bio_noacct+0x2a7/0xc20\n    submit_bio+0x56/0x250\n    blkdev_direct_IO+0x54c/0xda0\n    blkdev_write_iter+0x38f/0x570\n    aio_write+0x22b/0x490\n    io_submit_one+0xa51/0xf70\n    __x64_sys_io_submit+0xf7/0x220\n    x64_sys_call+0x1907/0x1c60\n    do_syscall_64+0x130/0x570\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n  read to 0xffff8e89c8117548 of 8 bytes by task 4010 on cpu 5:\n    break_stripe_batch_list+0x249/0x480\n    handle_stripe_clean_event+0x720/0x9b0\n    handle_stripe+0x32fb/0x4500\n    handle_active_stripes.isra.0+0x6e0/0xa50\n    raid5d+0x7e0/0xba0\n    md_thread+0x15a/0x2d0\n    kthread+0x1e3/0x220\n    ret_from_fork+0x37a/0x410\n    ret_from_fork_asm+0x1a/0x30\n\n  value changed: 0x0000000000000019 -\u003e 0x0000000000000099 --\u003e R5_Overlap"
          }
        ],
        "id": "CVE-2026-72420",
        "lastModified": "2026-08-17T06:19:09.110",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-08-15T06:22:15.743",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/4d919c9b770996365806b6c8d701912d52baa306"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/55b77337bdd088c77461588e5ec094421b89911b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/8031b0d02bd221a5f9add4357e291fc2a527b83a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/d684b72dfbd320623ccaab0779aa841190488e7c"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-18T13:35:39+00:00",
      "cve": "CVE-2026-72420",
      "id": "CVE-2026-72420",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: md/raid5: avoid R5_Overlap races while breaking stripe batches",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72420.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T11:45:54Z",
      "cve": "CVE-2026-72420",
      "id": "CVE-2026-72420",
      "initial_release_date": "2026-09-02T11:45:54Z",
      "product_status:known_affected": "312",
      "product_status:known_not_affected": "50",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-72420",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-72420.json",
      "version": "2"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.