{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0b70ec82b309a4093106ff399da1911ad23b52d3"
            },
            {
              "fixed": "0a3b87293fbd34fda651e6aead9964f84b893962"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "d7513b47082c08105e837b06cebeb3f07a5fa56f"
            },
            {
              "fixed": "8b080c89183196fd3e49212f2a1a1c4a29335b9c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "802359a52676176b18713e33caa17572ad009057"
            },
            {
              "fixed": "5b0166112019d1dce30b976ab28fd67f7f0be532"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "10df039834f84a297c72ec962c0f9b7c8c5ca31a"
            },
            {
              "fixed": "992f121796b7ca83a5a8b93da24e971363206218"
            },
            {
              "fixed": "f20f6512ecb75c816e0debf4551a138f098615c4"
            },
            {
              "fixed": "07ebe87915d8accdaba20c4f88c5ae430fe62fbb"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "f3f59bab68e9bc714f757ab22f3fb36153014043"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.1.156"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.6.112"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.12.53"
            },
            {
              "fixed": "6.12.94"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.17.3"
            },
            {
              "fixed": "6.18"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.94"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.36"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.18.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53160.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix use-after-free race in fastrpc_map_create\n\nfastrpc_map_lookup returns a raw pointer after releasing fl-\u003elock. The\ncaller fastrpc_map_create then calls fastrpc_map_get (kref_get_unless_zero)\non this unprotected pointer. A concurrent MEM_UNMAP can free the map\nbetween the lock release and the kref operation, resulting in a\nuse-after-free on the freed slab object.\n\nRestore the take_ref parameter to fastrpc_map_lookup so the reference\nis acquired atomically under fl-\u003elock before the pointer is exposed to\nthe caller.",
  "id": "CVE-2026-53160",
  "modified": "2026-07-08T05:36:30.170510972Z",
  "published": "2026-06-25T08:38:42.138Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07ebe87915d8accdaba20c4f88c5ae430fe62fbb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a3b87293fbd34fda651e6aead9964f84b893962"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b0166112019d1dce30b976ab28fd67f7f0be532"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b080c89183196fd3e49212f2a1a1c4a29335b9c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/992f121796b7ca83a5a8b93da24e971363206218"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f20f6512ecb75c816e0debf4551a138f098615c4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53160.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53160"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "misc: fastrpc: fix use-after-free race in fastrpc_map_create"
}