{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d30588b2731fb01e1616cf16c3fe79a1443e29aa"
            },
            {
              "fixed": "3cb2a606ce4902eceabe68338df0653312f861f8"
            },
            {
              "fixed": "561c9711e4f545d6464a023168bdee03b00fa945"
            },
            {
              "fixed": "ce3030e92f14362880055de5fe3c258971118853"
            },
            {
              "fixed": "742e4afd247d9c972695227716b03d432a7e1d26"
            },
            {
              "fixed": "b7313f23ea5a79b199a007bfad64a866cc2c22e7"
            },
            {
              "fixed": "eb04e3e9c14ed15914f5fd2eae8b6435f54f095f"
            },
            {
              "fixed": "6b8a26af065ddc93de2aa5c9f0df98dce9723442"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.13.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74376.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: reset read_slot when reusing r10bio for discard\n\nput_all_bios() always drops devs[i].bio, but it only drops\ndevs[i].repl_bio when r10_bio-\u003eread_slot \u003c 0. If discard reuses an\nr10bio that was previously used for a read, read_slot can still be\nnon-negative, and discard cleanup can skip bio_put() on repl_bio.\n\nReset read_slot to -1 when preparing an r10bio for discard so the\nreplacement bio is always released correctly.",
  "id": "CVE-2026-74376",
  "modified": "2026-08-18T03:31:21.721514029Z",
  "published": "2026-08-15T05:58:55.023Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3cb2a606ce4902eceabe68338df0653312f861f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/561c9711e4f545d6464a023168bdee03b00fa945"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6b8a26af065ddc93de2aa5c9f0df98dce9723442"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/742e4afd247d9c972695227716b03d432a7e1d26"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7313f23ea5a79b199a007bfad64a866cc2c22e7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce3030e92f14362880055de5fe3c258971118853"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb04e3e9c14ed15914f5fd2eae8b6435f54f095f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74376.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74376"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "md/raid10: reset read_slot when reusing r10bio for discard"
}