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CVE-2026-98820 blk-mq: set RQF_USE_SCHED when the operation is known

🗓️ 18 Oct 2026 15:49:12Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

blk-mq in the Linux kernel leaks domain tokens and stalls the queue for kyber.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98820
18 Oct 202615:49
–cve
debiancve
Debian CVE
CVE-2026-98820
18 Oct 202615:49
–debiancve
euvd
EUVD
EUVD-2026-103905
18 Oct 202615:49
–euvd
nvd
NVD
CVE-2026-98820
18 Oct 202616:17
–nvd
ptsecurity
Positive Technologies
PT-2026-117039
18 Oct 202600:00
–ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-mq.c",
      "block/mq-deadline.c"
    ],
    "versions": [
      {
        "version": "4b6a5d9cea911424e84107df8c4eb8317938d2cd",
        "lessThan": "790730e4d95de8356a573d4b4864486bba731863",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b6a5d9cea911424e84107df8c4eb8317938d2cd",
        "lessThan": "2c47ebc27fa72078e26177cd458cdaf3006a9685",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b6a5d9cea911424e84107df8c4eb8317938d2cd",
        "lessThan": "ab6c756f28c741d704a7c3e04814bfc3adf6f818",
        "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-mq.c",
      "block/mq-deadline.c"
    ],
    "versions": [
      {
        "version": "6.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.56",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.10",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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