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crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than the minimum expected length, crypto_authenc_esn_decrypt() can advance past the end of the destination scatterlist and trigger a NULL pointer dereference in scatterwalk_map_and_copy(), leading to a kernel panic (DoS). Add a minimum AAD length check to fail fast on invalid inputs.

Products
Kernel
Affected versions
Not specified
Fixed versions
5.10.249, 5.15.199, 6.1.162, 6.12.68, 6.18.8, 6.6.122
CVEs
CVE-2026-23060
Confirmed fixed CVEs
Not specified
Updated in this feed
7 Nov 2026, 06:40 UTC · Revision 1

Source evidence

crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec

core-osv · Original source

Published 4 Feb 2026, 16:07 UTC

In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than the minimum expected length, crypto_authenc_esn_decrypt() can advance past the end of the destination scatterlist and trigger a NULL pointer dereference in scatterwalk_map_and_copy(), leading to a kernel panic (DoS). Add a minimum AAD length check to fail fast on invalid inputs.

osv:CVE-2026-23060

Kernel

Fixed versions: 5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.68, 6.18.8

Complete source record
{
  "id": "699e7cec3f3bf6e923ae0600361653c11c0dbcea2f0545946837f3874c39ea1c",
  "url": "https://osv.dev/vulnerability/CVE-2026-23060",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than the minimum expected length, crypto_authenc_esn_decrypt() can advance past the end of the destination scatterlist and trigger a NULL pointer dereference in scatterwalk_map_and_copy(), leading to a kernel panic (DoS). Add a minimum AAD length check to fail fast on invalid inputs.",
    "evidence": "osv:CVE-2026-23060",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.249",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.199",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.162",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.122",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.68",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-23060",
      "aliases": [
        "CVE-2026-23060"
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      "affected": [
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              "type": "GIT",
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                {
                  "fixed": "9532ff0d0e90ff78a214299f594ab9bac81defe4"
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                {
                  "fixed": "2397e9264676be7794f8f7f1e9763d90bd3c7335"
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              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23060.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "4.3.0"
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            {
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                  "introduced": "5.11.0"
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            {
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                  "introduced": "5.16.0"
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                {
                  "introduced": "6.2.0"
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              ]
            },
            {
              "type": "ECOSYSTEM",
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                {
                  "introduced": "6.7.0"
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                {
                  "fixed": "6.12.68"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.8"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23060.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.882691940Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
        "https://git.kernel.org/stable/c/161bdc90fce25bd9890adc67fa1c8563a7acbf40",
        "https://git.kernel.org/stable/c/2397e9264676be7794f8f7f1e9763d90bd3c7335",
        "https://git.kernel.org/stable/c/767e8349f7e929b7dd95c08f0b4cb353459b365e",
        "https://git.kernel.org/stable/c/9532ff0d0e90ff78a214299f594ab9bac81defe4",
        "https://git.kernel.org/stable/c/b0a9609283a5c852addb513dafa655c61eebc1ef",
        "https://git.kernel.org/stable/c/df22c9a65e9a9daa368a72fed596af9d7d5876bb",
        "https://git.kernel.org/stable/c/fee86edf5803f1d1f19e3b4f2dacac241bddfa48",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23060.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23060",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23060.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23060",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518528,
  "published_at": "2026-02-04T16:07:42.86+00:00"
}