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CVE-2025-68348 block: fix memory leak in __blkdev_issue_zero_pages

🗓️ 24 Dec 2025 10:32:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Fix memory leak in __blkdev_issue_zero_pages by checking fatal signal before bio_alloc.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-lib.c"
    ],
    "versions": [
      {
        "version": "bf86bcdb40123ee99669ee91b67e023669433a1a",
        "lessThan": "453e4b0c84d0db1454ff0adf655d91179e6fca3a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bf86bcdb40123ee99669ee91b67e023669433a1a",
        "lessThan": "7957635c679e8a01147163a3a4a1f16e1210fa03",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bf86bcdb40123ee99669ee91b67e023669433a1a",
        "lessThan": "7193407bc4457212fa38ec3aff9c640e63a8dbef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bf86bcdb40123ee99669ee91b67e023669433a1a",
        "lessThan": "f7e3f852a42d7cd8f1af2c330d9d153e30c8adcf",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-lib.c"
    ],
    "versions": [
      {
        "version": "6.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.63",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.13",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.2",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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