{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e740003874edc13e468d19233f99787bedb4bb8e"
            },
            {
              "fixed": "ad8a13a45c5c24d0d32de9a1c3fd58498a675ece"
            },
            {
              "fixed": "013ac469596a0b8671e62d89c89ae0bd46bbe667"
            },
            {
              "fixed": "ccef79af58b43787c25710c9da96651c6ddfe50f"
            },
            {
              "fixed": "6d389382ee655128056fbdab86baad8495ffbf33"
            },
            {
              "fixed": "ccca14bbdcc25829d355b9f4d3249f43dadb71c1"
            },
            {
              "fixed": "3def995c4ede842adf509c410e92d09a0cedc965"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.18.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43157.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: CGX: fix bitmap leaks\n\nThe RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap)\nare allocated by cgx_lmac_init() but never freed in cgx_lmac_exit().\nUnbinding and rebinding the driver therefore triggers kmemleak:\n\n    unreferenced object (size 16):\n        backtrace:\n          rvu_alloc_bitmap\n          cgx_probe\n\nFree both bitmaps during teardown.",
  "id": "CVE-2026-43157",
  "modified": "2026-07-08T05:37:16.520145665Z",
  "published": "2026-05-06T11:27:37.185Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/013ac469596a0b8671e62d89c89ae0bd46bbe667"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3def995c4ede842adf509c410e92d09a0cedc965"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6d389382ee655128056fbdab86baad8495ffbf33"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ccef79af58b43787c25710c9da96651c6ddfe50f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43157.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43157"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "octeontx2-af: CGX: fix bitmap leaks"
}