{"id":"CVE-2026-72366","revision":"b5a704b9e03940658179cbb51f26f532","records":[{"revision":"b5a704b9e03940658179cbb51f26f532","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72366","aliases":[],"title":"netfs: Fix netfs_create_write_req() to handle async cache object creation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix netfs_create_write_req() to handle async cache object creation\n\nnetfs_create_write_req() will skip caching if the fscache cookie is\ndisabled, but this is a problem because async cache object creation might\nnot have got far enough yet that has been enabled - thereby causing the\ncall to fscache_begin_write_operation() to be skipped.\n\nFix this by removing the checks on the cookie and delegating this to\nfscache_begin_write_operation().","state":0,"publishedAt":"2026-08-15T05:56:04.016+00:00","modifiedAt":"2026-10-21T12:44:41.841+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/netfs/write_issue.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7b589a9b45ae32aa9d7bece597490e141198d7a6\",\n                            \"lessThan\": \"aee03fbc8803a40d65e20f1af816a7219048a426\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b589a9b45ae32aa9d7bece597490e141198d7a6\",\n                            \"lessThan\": \"8ab75e445c161c4cb504aa98e20ce1dd1ecd8e9a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b589a9b45ae32aa9d7bece597490e141198d7a6\",\n                            \"lessThan\": \"1188a9846fadeacf9d1430b528e5217f749d665b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7b589a9b45ae32aa9d7bece597490e141198d7a6\",\n                            \"lessThan\": \"dbd6f56d975b23241b7bbb11bb8f562af548a0aa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/netfs/write_issue.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.11\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.11\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/aee03fbc8803a40d65e20f1af816a7219048a426","https://git.kernel.org/stable/c/8ab75e445c161c4cb504aa98e20ce1dd1ecd8e9a","https://git.kernel.org/stable/c/1188a9846fadeacf9d1430b528e5217f749d665b","https://git.kernel.org/stable/c/dbd6f56d975b23241b7bbb11bb8f562af548a0aa"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72366","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72366","identifiers":["CVE-2026-72366"]},"retained":false,"historicalAffected":[]}],"coverage":[]}