CVE-2026-72290

{
  "id": "CVE-2026-72290",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-08-15T06:22:00.917",
  "lastModified": "2026-11-06T17:19:42.477",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pci: Fix GISC refcount leak on AIF enable failure\n\nkvm_s390_gisc_register() registers the guest ISC before pinning\nthe guest interrupt forwarding pages and allocating the AISB bit.\nIf any of the later setup steps fails, the function unwinds the\npinned pages and other local state, but does not unregister the\nGISC reference. Add the missing kvm_s390_gisc_unregister() to the\nerror unwind path."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "arch/s390/kvm/pci.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc",
              "lessThan": "3882224b0e714f34de91e5f28307c5d3fccfe8f8",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc",
              "lessThan": "6e69317cd44a2f21f8f7a9d93eb3220e868adfa8",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc",
              "lessThan": "6cd6e1c978784eec9032e2fe94a53e62b674fe3e",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc",
              "lessThan": "5fb75c5272950b3ebe8bdee7abfdafd44f38313b",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc",
              "lessThan": "adce12bb0e0dc82d1d6f0821c9faee3145e62a6f",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc",
              "lessThan": "7b69729046a4c58f4cb457184e5ac4aaa179bff4",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "arch/s390/kvm/pci.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.0",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.178",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.145",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.97",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.40",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.1.5",
              "lessThanOrEqual": "7.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-06T16:54:19.412807Z",
          "id": "CVE-2026-72290",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3882224b0e714f34de91e5f28307c5d3fccfe8f8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/5fb75c5272950b3ebe8bdee7abfdafd44f38313b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6cd6e1c978784eec9032e2fe94a53e62b674fe3e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6e69317cd44a2f21f8f7a9d93eb3220e868adfa8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7b69729046a4c58f4cb457184e5ac4aaa179bff4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/adce12bb0e0dc82d1d6f0821c9faee3145e62a6f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}