{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ce534fb052928ce556639d7ecf01cbf4e01321e1"
            },
            {
              "fixed": "7c18691e0cfda29672f79bafde8abdb7710674f6"
            },
            {
              "fixed": "5927b43a4f8d89e86930f524bf63e9c7e66f61b4"
            },
            {
              "fixed": "030fe3e9d8abdee303dd7e9e42f45082d382a407"
            },
            {
              "fixed": "46473ddccdc5065033e397d6e62c280dbcd3d9c2"
            },
            {
              "fixed": "af2892249d982a1c036ca456cc135374e68b6677"
            },
            {
              "fixed": "0223f452532d9cd8a5e87c45de828fd93c99bd25"
            },
            {
              "fixed": "e28db6ac4792d065ab32565fd9f0a2361c3d4666"
            },
            {
              "fixed": "a078484921052d0badd827fcc2770b5cfc1d4120"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.35"
            },
            {
              "fixed": "5.15.211"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.177"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.144"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.95"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.37"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53388.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: re-lock request before replacing page cache folio\n\nfuse_try_move_folio() unlocks the request on entry but does not\nre-lock it on the success path. This means fuse_chan_abort() can end the\nrequest and free the fuse_io_args (eg fuse_readpages_end()) while the\nsubsequent copy chain logic after fuse_try_move_folio() accesses the\nfuse_io_args, leading to use-after-free issues.\n\nFix this by calling lock_request() before replace_page_cache_folio().\nThis ensures the request is locked on the success path which will\nprevent the fuse_io_args from being freed while the later copying logic\nruns, and also ensures that the ap-\u003efolios[i]-\u003emapping is never null\nsince ap-\u003efolios[i] will always point to the newfolio after\nreplace_page_cache_folio().",
  "id": "CVE-2026-53388",
  "modified": "2026-08-12T03:51:36.338816035Z",
  "published": "2026-07-19T11:59:34.456Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0223f452532d9cd8a5e87c45de828fd93c99bd25"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/030fe3e9d8abdee303dd7e9e42f45082d382a407"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46473ddccdc5065033e397d6e62c280dbcd3d9c2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5927b43a4f8d89e86930f524bf63e9c7e66f61b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7c18691e0cfda29672f79bafde8abdb7710674f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a078484921052d0badd827fcc2770b5cfc1d4120"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af2892249d982a1c036ca456cc135374e68b6677"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e28db6ac4792d065ab32565fd9f0a2361c3d4666"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53388.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53388"
    },
    {
      "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:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "fuse: re-lock request before replacing page cache folio"
}