{"cve":"CVE-2026-98778","nvd":{"published":"2026-10-18T16:17:31.757","modified":"2026-10-21T13:21:45.883","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix is_failure flag for superseded transaction cleanup\n\nWhen a TF_UPDATE_TXN transaction supersedes a pending async transaction,\nbinder_release_entire_buffer() is called with is_failure=false. Since the\nsuperseded transaction was never delivered, binder_apply_fd_fixups() was\nnever called and no fds were installed in the target process.\n\nWith is_failure=false, the BINDER_TYPE_FDA cleanup handler interprets\nstale buffer contents as installed fd numbers and passes them to\nbinder_deferred_fd_close(), closing unrelated file descriptors.\n\nPass is_failure=true since the transaction was never delivered to the\ntarget, matching the semantics of all other undelivered-transaction\ncleanup paths.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/1ab671b50714ad8e359cf37eb041d8044319ccdc","https://git.kernel.org/stable/c/22c135635fdd9816c0ef140d6de7b2e4fdf73e89","https://git.kernel.org/stable/c/60a9f7323ae7318a7cce0d387c318da24f1e8726","https://git.kernel.org/stable/c/86cdcc87d4ba60aebf94ba3346b3c900c5cd79ff","https://git.kernel.org/stable/c/e9b364e46d594c2ec663c9c49f10c1ca541ecc0f"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-98778","score":0.00168,"percentile":0.05973,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}