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CVE-2025-68169 netpoll: Fix deadlock in memory allocation under spinlock

🗓️ 16 Dec 2025 13:42:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

CVE-2025-68169: netpoll fixes deadlock by refactoring refill_skbs to avoid allocation under skb pool lock.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/netpoll.c"
    ],
    "versions": [
      {
        "version": "248f6571fd4c51531f7f8f07f186f7ae98a50afc",
        "lessThan": "06742a3ab884d7428c9050b205ffcf6a8a548397",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "248f6571fd4c51531f7f8f07f186f7ae98a50afc",
        "lessThan": "327c20c21d80e0d87834b392d83ae73c955ad8ff",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/netpoll.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.8",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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