{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.100-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.1.5-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  crypto: ccp - Fix snp_filter_reserved_mem_regions() off-by-one  Sashiko notes:  \u003e regarding the bounds check in snp_filter_reserved_mem_regions() \u003e called via walk_iomem_res_desc(): does the check \u003e if ((range_list-\u003enum_elements * 16 + 8) \u003e PAGE_SIZE) \u003e allow an off-by-one heap buffer overflow? \u003e \u003e If range_list-\u003enum_elements is 255, 255 * 16 + 8 = 4088, which is \u003c= 4096. \u003e Writing range-\u003ebase (8 bytes) fills 4088-4095, but writing range-\u003epage_count \u003e (4 bytes) would write to 4096-4099, overflowing the kzalloc-allocated \u003e PAGE_SIZE buffer.  Fix this by accounting for the entry about to be written to, in addition to the entries that are already allocated.",
  "id": "DEBIAN-CVE-2026-74404",
  "modified": "2026-09-14T16:47:38.537583349Z",
  "published": "2026-08-15T06:22:42.433Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-74404"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-74404"
  ]
}