CVE-2023-53769 (GCVE-0-2023-53769)
Vulnerability from cvelistv5
Published
2025-12-08 01:19
Modified
2025-12-08 01:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy whole messages in or out as needed before doing any computation on them.
References
Impacted products
Vendor Product Version
Linux Linux Version: d5af44dde5461d125d1602ac913ab5c6bdf09b8b
Version: d5af44dde5461d125d1602ac913ab5c6bdf09b8b
Version: d5af44dde5461d125d1602ac913ab5c6bdf09b8b
Version: d5af44dde5461d125d1602ac913ab5c6bdf09b8b
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{
  "containers": {
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/virt/coco/sev-guest/sev-guest.c"
          ],
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          ],
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          "vendor": "Linux",
          "versions": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirt/coco/sev-guest: Double-buffer messages\n\nThe encryption algorithms read and write directly to shared unencrypted\nmemory, which may leak information as well as permit the host to tamper\nwith the message integrity. Instead, copy whole messages in or out as\nneeded before doing any computation on them."
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      "providerMetadata": {
        "dateUpdated": "2025-12-08T01:19:32.417Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "virt/coco/sev-guest: Double-buffer messages",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53769",
    "datePublished": "2025-12-08T01:19:32.417Z",
    "dateReserved": "2025-12-08T01:18:04.281Z",
    "dateUpdated": "2025-12-08T01:19:32.417Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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