fkie_cve-2025-21764
Vulnerability from fkie_nvd
Published
2025-02-27 03:15
Modified
2025-03-21 15:44
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.14
linux linux_kernel 6.14


To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nndisc: use RCU protection in ndisc_alloc_skb()\n\nndisc_alloc_skb() can be called without RTNL or RCU being held.\n\nAdd RCU protection to avoid possible UAF."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ndisc: usar protecci\u00f3n RCU en ndisc_alloc_skb() ndisc_alloc_skb() se puede llamar sin que se mantenga RTNL o RCU. Agregue protecci\u00f3n RCU para evitar posibles UAF."
    }
  ],
  "id": "CVE-2025-21764",
  "lastModified": "2025-03-21T15:44:00.230",
  "metrics": {
    "cvssMetricV31": [
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          "attackVector": "LOCAL",
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          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2025-02-27T03:15:17.063",
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  "vulnStatus": "Analyzed",
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}


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