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GHSA-82QR-PQHC-837W

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-17 06:33
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

afs: Fix callback service message parsers to pass through -EAGAIN

The AFS filesystem client uses an rxrpc server to listen for callback notifications. Each callback call type handler has a delivery function that parses the incoming request stream, and this should return -EAGAIN the last packet hasn't yet been seen, but all currently queued received data is consumed. afs_extract_data() does this, but the -EAGAIN return is switched to 0 inadvertantly

Fix callback service message parsers to pass through -EAGAIN

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-72374"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:22:10Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix callback service message parsers to pass through -EAGAIN\n\nThe AFS filesystem client uses an rxrpc server to listen for callback\nnotifications.  Each callback call type handler has a delivery function\nthat parses the incoming request stream, and this should return -EAGAIN the\nlast packet hasn\u0027t yet been seen, but all currently queued received data is\nconsumed.  afs_extract_data() does this, but the -EAGAIN return is switched\nto 0 inadvertantly\n\nFix callback service message parsers to pass through -EAGAIN",
  "id": "GHSA-82qr-pqhc-837w",
  "modified": "2026-08-17T06:33:26Z",
  "published": "2026-08-15T06:32:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72374"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/09c67a7ded481482155b836c8c7f078a3075f8de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0acbc09d2aca0432af45cec114f20d55ceafaec4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0f36469d7ce98b362934113c550d08bb0c784231"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/239cd337c9d047e7097f5b2ebbb41ddfb8180bc6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26b737b3769e92493fe94c34620399d93ca231ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5a39b145a8fb49f316e7ec1f29ba51d68095c7e4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/772850871a2e772e26f9d93f1e9ddd413b3eeaa4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f14dd036fad3d359f26f1282199cec06b3a9362b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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