GHSA-2274-3HGR-WXV6

Vulnerability from github – Published: 2026-04-22 09:31 – Updated: 2026-05-18 18:31
VLAI
Details

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

crypto: algif_aead - Revert to operating out-of-place

This mostly reverts commit 72548b093ee3 except for the copying of the associated data.

There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-31431"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-669"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-22T09:16:21Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: algif_aead - Revert to operating out-of-place\n\nThis mostly reverts commit 72548b093ee3 except for the copying of\nthe associated data.\n\nThere is no benefit in operating in-place in algif_aead since the\nsource and destination come from different mappings.  Get rid of\nall the complexity added for in-place operation and just copy the\nAD directly.",
  "id": "GHSA-2274-3hgr-wxv6",
  "modified": "2026-05-18T18:31:24Z",
  "published": "2026-04-22T09:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31431"
    },
    {
      "type": "WEB",
      "url": "https://xint.io/blog/copy-fail-linux-distributions#the-fix-6"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/260001"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-31431"
    },
    {
      "type": "WEB",
      "url": "https://websec.net/blog/cve-2026-31431-linux-algifaead-page-cache-write-to-root-69f38a4ccddd2db1f520f170"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh"
    },
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      "type": "WEB",
      "url": "https://github.com/theori-io/copy-fail-CVE-2026-31431"
    },
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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