{"id":"CVE-2026-98778","title":"kernel: binder: fix is_failure flag for superseded transaction cleanup (CVE-2026-98778)","summary":"A flaw was found in the Linux kernel's Android Binder driver. This vulnerability allows a local user to cause a Denial of Service (DoS) or application disruption by triggering the unexpected closure of unrelated file descriptors in a targe…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-826","vendor":"Red Hat","product":"Linux","affected":["Linux >= 9864bb4801331daa48514face9d0f4861e4d485b < e9b364e46d594c2ec663c9c49f10c1ca541ecc0f","Linux >= 9864bb4801331daa48514face9d0f4861e4d485b < 60a9f7323ae7318a7cce0d387c318da24f1e8726","Linux >= 9864bb4801331daa48514face9d0f4861e4d485b < 86cdcc87d4ba60aebf94ba3346b3c900c5cd79ff","Linux >= 9864bb4801331daa48514face9d0f4861e4d485b < 1ab671b50714ad8e359cf37eb041d8044319ccdc","Linux >= 9864bb4801331daa48514face9d0f4861e4d485b < 22c135635fdd9816c0ef140d6de7b2e4fdf73e89","Linux 6.0"],"published":"2026-10-18","updated":"2026-10-23","sourceUpdated":"2026-10-23T10:59:46+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98778.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98778.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98778"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2555136"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98778"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98778"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98778.mbox"},{"url":"https://git.kernel.org/stable/c/e9b364e46d594c2ec663c9c49f10c1ca541ecc0f"},{"url":"https://git.kernel.org/stable/c/60a9f7323ae7318a7cce0d387c318da24f1e8726"},{"url":"https://git.kernel.org/stable/c/86cdcc87d4ba60aebf94ba3346b3c900c5cd79ff"},{"url":"https://git.kernel.org/stable/c/1ab671b50714ad8e359cf37eb041d8044319ccdc"},{"url":"https://git.kernel.org/stable/c/22c135635fdd9816c0ef140d6de7b2e4fdf73e89"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00168,"epssPercentile":0.05971,"ingestedAt":"2026-10-18T16:47:32.490Z","slug":"CVE-2026-98778","body":"## Overview\n\nA flaw was found in the Linux kernel's Android Binder driver. This vulnerability allows a local user to cause a Denial of Service (DoS) or application disruption by triggering the unexpected closure of unrelated file descriptors in a target process. When an asynchronous transaction update supersedes a pending transaction, the driver fails to set the correct cleanup flag for undelivered transactions, causing stale buffer data to be misinterpreted as active file descriptors.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98778.json)\n\n**kernel: binder: fix is_failure flag for superseded transaction cleanup** — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228108,"id":"CVE-2026-98778","ts":1792758090668,"field":"cvss","old":null,"new":"5.5"},{"seq":228107,"id":"CVE-2026-98778","ts":1792758090668,"field":"severity","old":"none","new":"medium"}]}