{"id":"CVE-2026-53361","revision":"85fde8c92da84eafa045b37337375599","records":[{"revision":"85fde8c92da84eafa045b37337375599","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53361","aliases":[],"title":"af_unix: Set gc_in_progress to true in unix_gc().","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Set gc_in_progress to true in unix_gc().\n\nIgor Ushakov reported that unix_gc() could run with gc_in_progress\nbeing false if the work is scheduled while running:\n\n  Thread 1         Thread 2                     Thread 3\n  --------         --------                     --------\n                   unix_schedule_gc()           unix_schedule_gc()\n                   `- if (!gc_in_progress)      `- if (!gc_in_progress)\n                      |- gc_in_progress = true     |\n                      `- queue_work()              |\n  unix_gc() <----------------/                     |\n  |                                                |- gc_in_progress = true\n  ...                                              `- queue_work()\n  |                                                       |\n  `- gc_in_progress = false                               |\n                                                          |\n  unix_gc() <---------------------------------------------'\n  |\n  ... /* gc_in_progress == false */\n  |\n  `- gc_in_progress = false\n\nunix_peek_fpl() relies on gc_in_progress not to confuse GC\nby MSG_PEEK.\n\nLet's set gc_in_progress to true in unix_gc().","state":0,"publishedAt":"2026-07-04T11:54:52.543+00:00","modifiedAt":"2026-10-19T20:07:44.591+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                        \"net/unix/garbage.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"ceb8bd6c69c1680fd9b45e7f16d7170c9c7513a5\",\n                            \"lessThan\": \"20aa894d475bd8086b25c1113ec4ca70f70c7a98\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"328840c93bd6a4871dd10908d01b41eab83eb8e2\",\n                            \"lessThan\": \"82c17e13d404f686e164590483fd6c1abaa675d0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b90a9f819dc2a06baae4ec1a64d875e53b824ec\",\n                            \"lessThan\": \"591f1ac217428a6d2b32a8ac14aac0fab44f155a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b90a9f819dc2a06baae4ec1a64d875e53b824ec\",\n                            \"lessThan\": \"0cfa78c050662784fc8e3ab26dbfd1dc632b2082\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b90a9f819dc2a06baae4ec1a64d875e53b824ec\",\n                            \"lessThan\": \"d82ba05263c69fa2437fe93e4e561cc40f4c03af\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.1.141\",\n                            \"lessThan\": \"6.1.183\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.93\",\n                            \"lessThan\": \"6.6.144\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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                        \"net/unix/garbage.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.144\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.95\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.38\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/20aa894d475bd8086b25c1113ec4ca70f70c7a98","https://git.kernel.org/stable/c/82c17e13d404f686e164590483fd6c1abaa675d0","https://git.kernel.org/stable/c/591f1ac217428a6d2b32a8ac14aac0fab44f155a","https://git.kernel.org/stable/c/0cfa78c050662784fc8e3ab26dbfd1dc632b2082","https://git.kernel.org/stable/c/d82ba05263c69fa2437fe93e4e561cc40f4c03af"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53361","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53361","identifiers":["CVE-2026-53361"]},"retained":false,"historicalAffected":[]}],"coverage":[]}