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CVE-2026-53163

🗓️ 25 Jun 2026 08:38:44Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 272 Views

CVE-2026-53163: Skip remove_waiter when waiter is not enqueued to fix null deref in rtmutex.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.1.1756.1.177
linuxlinux_kernelRange6.6.1406.6.144
linuxlinux_kernelRange6.12.866.12.95
linuxlinux_kernelRange6.18.276.18.36
linuxlinux_kernelRange7.0.47.0.13
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/locking/rtmutex.c",
      "kernel/locking/rtmutex_api.c"
    ],
    "versions": [
      {
        "version": "f3fa3424bceb128d2be4b3745506b22844b87db7",
        "lessThan": "bfbc047ceb42c0e1fac8f3a155d4548a8bbe76b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "838ce5cb5d93c3ab8b27e75bc6ad905a94b752fd",
        "lessThan": "4ffacf76a457b7ca8ac05f5df8740b0d8f53574a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d8cce4773c2b23d819baf5abedc62f7b430e8745",
        "lessThan": "4afda3a1da02129568a3a2f1898aa13e6763bcba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a1fc8d698ac5e5916e3082a0f74450d71f9611f",
        "lessThan": "6707d7e0b71748cb3cd95bad81dae5fe1b3c8f48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6d52dfcb2a5db86e346cf51f8fcf2071b8085166",
        "lessThan": "5799f9bd7fee40370b93ab1ddf001cdc7017c14d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3fb7394a837740770f0d6b4b30567e60786a63f2",
        "lessThan": "a388e3dfaf9538a680de5ed43a8ebb5dd45b6e53",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "88614876370aac8ad1050ad785a4c095ba17ac11",
        "lessThan": "55363fa0a04524d11efeaadee734d2db1756ed27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3bfdc63936dd4773109b7b8c280c0f3b5ae7d349",
        "lessThan": "40a25d59e85b3c8709ac2424d44f65610467871e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/locking/rtmutex.c",
      "kernel/locking/rtmutex_api.c"
    ],
    "versions": [
      {
        "version": "6.1.175",
        "lessThan": "6.1.177",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThan": "6.6.144",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThan": "6.12.95",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThan": "6.18.36",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThan": "7.0.13",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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24 Jul 2026 15:18Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00123
272