CVE-2025-71155 (GCVE-0-2025-71155)
Vulnerability from cvelistv5
Published
2026-01-23 14:25
Modified
2026-05-23 16:03
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmap_helper_zap_one_page() again A few checks were missing in gmap_helper_zap_one_page(), which can lead to memory corruption in the guest under specific circumstances. Add the missing checks.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5deafa27d9ae040b75d392f60b12e300b42b4792
Version: 5deafa27d9ae040b75d392f60b12e300b42b4792
Version: 919efcadb63fc3d3a82c3de7194140e0b28903dc
Version: 6.17.4   ≤
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/s390/mm/gmap_helpers.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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          "vendor": "Linux",
          "versions": [
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              "version": "6.18"
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
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          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.17.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix gmap_helper_zap_one_page() again\n\nA few checks were missing in gmap_helper_zap_one_page(), which can lead\nto memory corruption in the guest under specific circumstances.\n\nAdd the missing checks."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T16:03:28.261Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7"
        },
        {
          "url": "https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96"
        }
      ],
      "title": "KVM: s390: Fix gmap_helper_zap_one_page() again",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71155",
    "datePublished": "2026-01-23T14:25:54.663Z",
    "dateReserved": "2026-01-13T15:30:19.663Z",
    "dateUpdated": "2026-05-23T16:03:28.261Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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