{
  "schema_version": "1.7.0",
  "id": "USN-5357-2",
  "summary": "linux-aws-hwe, linux-azure, linux-gcp, linux-gcp-4.15, linux-oracle, linux-raspi2 vulnerability",
  "details": "It was discovered that the IPsec implementation in the Linux kernel did not\nproperly allocate enough memory when performing ESP transformations,\nleading to a heap-based buffer overflow. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2022-27666"
  ],
  "related": [],
  "published": "2022-03-31T22:14:36Z",
  "modified": "2026-09-10T08:30:21Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "linux-azure",
        "purl": "pkg:deb/ubuntu/linux-azure@4.15.0-1136.149~14.04.1?arch=source&distro=trusty/esm"
      },
      "ranges": [
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                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "high"
                }
              ]
            }
          ]
        }
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    },
    {
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      "url": "https://ubuntu.com/security/CVE-2022-27666"
    }
  ]
}