{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  platform/x86/amd/pmc: Propagate SMU errors and validate S2D address  amd_stb_s2d_init() discards the return value of several S2D SMU commands. When the SMU refuses a command (e.g. \"SMU cmd failed. err: 0xff\") the failure is only noticed indirectly - if at all - and reported as -EIO, masking the real error.  More seriously, the S2D_PHYS_ADDR_LOW/HIGH return values are ignored, so on failure phys_addr_low/hi are left uninitialised and the assembled address is passed straight to devm_ioremap().  When the SMU leaves them at zero this maps physical address 0 and trips the ioremap-on-RAM warning:    amd_pmc AMDI000B:00: SMU cmd failed. err: 0xff   ioremap on RAM at 0x0000000000000000 - 0x0000000000ffffff   WARNING: CPU: 13 PID: 4592 at arch/x86/mm/ioremap.c:...  Check the return value of each SMU command and propagate it, and reject a zero physical address before calling devm_ioremap().",
  "id": "DEBIAN-CVE-2026-81016",
  "modified": "2026-09-14T08:47:38.688067352Z",
  "published": "2026-09-11T20:19:10.560Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-81016"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-81016"
  ]
}