{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "94d942c5fb970ac2166216838b278613decfa9a0"
            },
            {
              "fixed": "d3c6b0f48f126a36955b3fb4154a59d0b3621d97"
            },
            {
              "fixed": "3bd438a58e910db5dc369aa25dfed1fc95f1b596"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.20.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74527.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: Block VFs from clobbering special CGX PKIND state\n\nPF and VF NIX LFs that share a CGX LMAC reuse the same hardware PKIND\nprogramming. When HiGig2 or EDSA parsing is enabled, a VF NIX LF alloc must\nnot reset the LMAC RX PKIND or default TX parse config over the PF setup.\n\nAdd cgx_get_pkind() and rvu_cgx_is_pkind_config_permitted() so VFs skip\ncgx_set_pkind(), rvu_npc_set_pkind(), and NIX_AF_LFX_TX_PARSE_CFG updates\nwhen the LMAC is using NPC_RX_HIGIG_PKIND or NPC_RX_EDSA_PKIND.",
  "id": "CVE-2026-74527",
  "modified": "2026-08-18T03:30:59.947323528Z",
  "published": "2026-08-15T12:27:43.568Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3bd438a58e910db5dc369aa25dfed1fc95f1b596"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3c6b0f48f126a36955b3fb4154a59d0b3621d97"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74527.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74527"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "octeontx2-af: Block VFs from clobbering special CGX PKIND state"
}