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CVE-2026-74719 net/smc: fix qentry overwrite for CONFIRM_LINK and ADD_LINK_CONT in smc_llc_event_handler()

🗓️ 22 Aug 2026 15:33:12Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Memory leak in Linux kernel SMC LLC handler from qentry overwrite on duplicate CONFIRM_LINK.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74719
22 Aug 202615:33
cve
debiancve
Debian CVE
CVE-2026-74719
22 Aug 202615:33
debiancve
euvd
EUVD
EUVD-2026-64406
22 Aug 202615:33
euvd
nvd
NVD
CVE-2026-74719
22 Aug 202616:16
nvd
ptsecurity
Positive Technologies
PT-2026-79724
22 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/smc/smc_llc.c"
    ],
    "versions": [
      {
        "version": "0fb0b02bd6fd26cba38002be4a6bbcae2228fd44",
        "lessThan": "e384f3cba6ea709f5b2272b1770db4ce14047f78",
        "status": "affected",
        "versionType": "git"
      },
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        "version": "0fb0b02bd6fd26cba38002be4a6bbcae2228fd44",
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      },
      {
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        "status": "affected",
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      },
      {
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      },
      {
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      {
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
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    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/smc/smc_llc.c"
    ],
    "versions": [
      {
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        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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